press_v for_o the_o distribution_n of_o the_o chyle_n but_o it_o diminish_v the_o cavity_n of_o the_o breast_n when_o it_o resume_v its_o natural_a situation_n and_o press_v the_o lung_n for_o the_o expulsion_n of_o the_o air_n in_o expiration_n sect_n iii_o of_o the_o pleura_fw-la mediastinum_fw-la and_o thymus_n pleura_fw-la of_o the_o pleura_fw-la the_o pleura_fw-la be_v a_o double_a membrane_n which_o cover_v all_o the_o cavity_n of_o the_o thorax_n it_o arise_v from_o the_o vertebra_n of_o the_o back_n ascend_v on_o each_o side_n upon_o the_o rib_n to_o the_o middle_n of_o the_o sternum_fw-la it_o be_v fix_v to_o the_o periostium_fw-la of_o the_o rib_n to_o the_o internal_a intercostal_a muscle_n and_o it_o cover_v the_o midriff_n it_o be_v side_n towards_o the_o cavity_n be_v smooth_a and_o equal_a but_o that_o which_o be_v fix_v to_o the_o rib_n be_v rough_a the_o vessel_n which_o run_v betwixt_o its_o duplicature_n be_v vein_n from_o vena_fw-la azygos_n and_o upper_a intercostal_n vein_n artery_n from_o the_o inferior_a and_o superior_a intercostal_a artery_n and_o nerve_n from_o the_o twelve_o pair_n of_o the_o back_n from_o the_o intercostal_a pair_n and_o from_o the_o eight_o pair_n mediastinum_fw-la of_o the_o mediastinum_fw-la the_o mediastinum_fw-la be_v a_o double_a membrane_n form_v by_o the_o continuation_n of_o the_o pleura_fw-la it_o come_v from_o the_o sternum_fw-la and_o go_v straight_o down_o through_o the_o middle_n of_o the_o thorax_n to_o the_o vertebra_n divide_v the_o cavity_n in_o two_o it_o contain_v in_o its_o double_n the_o heart_n in_o its_o pericardium_n the_o vena_fw-la cava_fw-la the_o oesophagus_n and_o the_o stomachick_a nerve_n the_o membrane_n of_o the_o mediastinum_fw-la be_v fine_a and_o thin_a than_o the_o pleura_fw-la and_o they_o have_v a_o little_a fat_n the_o mediastinum_fw-la receive_v branch_n of_o vein_n and_o artery_n from_o the_o mammillary_n and_o diaphragmatick_a and_o one_o proper_a call_v mediastina_fw-la its_o nerve_n come_v from_o the_o stomachick_n it_o have_v also_o some_o lymphaticks_n which_o open_a in_o the_o thoracick_a dust_n the_o mediastinum_fw-la divide_v the_o thorax_n in_o two_o part_n to_o the_o end_n that_o one_o lobe_n of_o the_o lung_n may_v officiate_v if_o the_o other_o be_v hinder_v by_o a_o wound_n on_o the_o other_o side_n of_o the_o thorax_n it_o fix_v the_o heart_n in_o its_o pericardium_n and_o preserve_v they_o from_o external_a injury_n sometime_o there_o be_v a_o matter_n contain_v betwixt_o its_o membrane_n immediate_o under_o the_o sternum_fw-la which_o may_v occasion_v the_o trepane_v of_o this_o place_n thymus_n of_o the_o thymus_n the_o thymus_n pass_v for_o a_o conglomerate_v gland_n a_o little_o soft_a than_o the_o pancreas_n situate_v in_o the_o upper_a part_n of_o the_o thorax_n under_o the_o claviculae_fw-la where_o the_o cava_fw-la and_o aorta_fw-la divide_v into_o the_o subclavian_n branch_n this_o gland_n be_v big_a in_o infant_n but_o as_o they_o grow_v in_o age_n it_o grow_v less_o it_o receive_v vein_n and_o artery_n from_o the_o jugular_n nerve_n from_o the_o par_fw-fr vagum_fw-la and_o lymphatic_a vessel_n which_o discharge_v themselves_o in_o the_o subclavian_n vein_n the_o use_n that_o be_v common_o give_v to_o the_o thymus_n be_v to_o be_v a_o little_a cushion_n to_o support_v the_o thoracick_a dust_n and_o to_o strengthen_v the_o cava_fw-la and_o aorta_fw-la at_o their_o division_n in_o the_o subclavian_n vessel_n to_o defend_v they_o against_o the_o hardness_n of_o the_o vertebra_n but_o it_o be_v probable_a that_o its_o principal_a use_n be_v to_o filtrate_a or_o separate_v some_o liquor_n which_o be_v not_o yet_o know_v sect_n iv_o of_o the_o pericardium_n heart_n and_o its_o part_n pericardium_n of_o the_o pericardium_n the_o pericardium_n be_v a_o thick_a membrane_n of_o a_o conic_a figure_n it_o resemble_v a_o purse_n and_o contain_v the_o heart_n in_o its_o cavity_n it_o be_v basis_n be_v pierce_v in_o five_o place_n for_o the_o passage_n of_o the_o vessel_n which_o enter_v and_o come_v out_o of_o the_o heart_n it_o be_v fix_v to_o the_o mediastinum_fw-la and_o to_o the_o midriff_n it_o receive_v its_o vessel_n from_o the_o axillary_n and_o phrenicae_fw-la nerve_n from_o the_o recurrent_a and_o diaphragmatick_a it_o have_v lymphaticks_n which_o discharge_v themselves_o in_o the_o thoracick_a duck._n it_o defend_v the_o heart_n from_o external_a injury_n pericardium_n of_o the_o water_n contain_v in_o the_o pericardium_n in_o the_o bottom_n of_o the_o pericardium_n there_o be_v a_o clear_a and_o sweet_a taste_v water_n but_o in_o some_o tincture_v a_o little_a with_o blood_n it_o be_v find_v in_o abundance_n in_o the_o pericardium_n of_o woman_n and_o old_a man_n but_o there_o be_v little_a of_o it_o in_o those_o that_o be_v hectic_a and_o pleuritic_n when_o it_o be_v in_o too_o great_a quantity_n it_o cause_v a_o palpitation_n of_o the_o heart_n and_o sometime_o death_n author_n do_v not_o agree_v about_o the_o rise_n of_o this_o water_n some_o say_v that_o it_o come_v from_o the_o extremity_n of_o the_o artery_n other_o that_o it_o come_v through_o the_o substance_n of_o the_o heart_n but_o it_o be_v more_o probable_a that_o it_o be_v filtrate_v through_o the_o gland_n which_o be_v at_o the_o basis_n of_o the_o heart_n and_o that_o it_o may_v not_o abound_v too_o much_o nor_o putrify_v by_o stand_v too_o long_o it_o be_v take_v up_o by_o some_o small_a gland_n which_o be_v in_o the_o membrane_n of_o the_o pericardium_n and_o from_o they_o carry_v by_o the_o lymphaticks_n into_o the_o thoracick_a dust_n heart_n of_o the_o situation_n figure_n and_o connexion_n of_o the_o heart_n the_o heart_n be_v situate_v in_o the_o middle_n of_o the_o thorax_n between_o the_o two_o lobe_n of_o the_o lung_n it_o be_v of_o a_o conic_a figure_n it_o be_v basis_n be_v the_o upper_a end_n and_o its_o apex_n or_o point_n be_v the_o low_a end_n which_o be_v turn_v a_o little_a to_o the_o left_a side_n therefore_o its_o motion_n be_v best_a feel_v there_o it_o be_v tie_v to_o the_o mediastinum_fw-la to_o the_o pericardium_n and_o sustain_v by_o the_o great_a vessel_n which_o bring_v and_o carry_v back_o the_o blood_n it_o be_v cover_v by_o a_o membrane_n which_o be_v the_o proper_a membrane_n of_o the_o muscle_n its_o basis_n be_v always_o surround_v with_o fat_a in_o which_o there_o be_v some_o small_a gland_n vessel_n of_o its_o vessel_n it_o have_v two_o vein_n which_o come_v from_o the_o cava_fw-la immediate_o before_o it_o open_v in_o the_o heart_n and_o they_o be_v accompany_v with_o two_o artery_n from_o the_o aorta_fw-la which_o run_v through_o all_o the_o substance_n of_o the_o heart_n they_o be_v call_v the_o coronal_z vessel_n the_o vein_n on_o the_o right_a side_n communicate_v at_o their_o extremity_n with_o the_o vein_n of_o the_o left_a in_o like_a manner_n do_v the_o artery_n of_o each_o side_n communicate_v with_o one_o another_o and_o it_o be_v the_o same_o almost_o in_o all_o the_o part_n of_o the_o body_n the_o heart_n receive_v a_o multitude_n of_o small_a nerve_n from_o the_o eight_o pair_n particular_o they_o creep_v in_o great_a number_n about_o the_o aorta_fw-la and_o on_o the_o left_a ventricle_n it_o have_v also_o some_o lymphaticks_n which_o discharge_v themselves_o in_o the_o thoracick_a dust_n at_o the_o basis_n of_o the_o heart_n there_o be_v two_o auriculae_fw-la or_o little_a ear_n auriculae_fw-la of_o the_o auriculae_fw-la one_o on_o the_o right_n the_o other_o on_o the_o left_a side_n in_o the_o right_a ear_n open_v the_o vena_fw-la cava_fw-la in_o the_o leave_v the_o vena_fw-la pulmonaria_fw-la the_o first_o discharge_v the_o blood_n that_o it_o receive_v from_o the_o cava_fw-la into_o the_o right_a ventricle_n and_o the_o second_o thrust_v the_o blood_n that_o come_v from_o the_o vena_fw-la pulmonaria_fw-la into_o the_o left_a ventricle_n their_o figure_n be_v like_o the_o triangle_n ambligonium_fw-la the_o left_a be_v less_o but_o thick_a than_o the_o right_n their_o substance_n be_v compose_v of_o two_o order_n of_o muscular_a fibres_n which_o terminate_v in_o the_o tendon_n in_o the_o basis_n of_o the_o heart_n and_o at_o the_o right_a ear_n there_o be_v a_o circle_n like_o to_o a_o tendon_n where_o the_o cava_fw-la end_n their_o external_a surface_n be_v smooth_a their_o internal_a be_v unequal_a full_a of_o small_a fleshy_a pillar_n which_o send_v out_o small_a fibre_n that_o cross_a and_o go_v thwart_a one_o another_o and_o betwixt_o these_o pillar_n there_o be_v as_o many_o furrow_n which_o be_v more_o in_o the_o left_a than_o in_o the_o right_a ear_n they_o receive_v nerve_n from_o the_o branch_n of_o the_o eight_o pair_n they_o have_v the_o same_o motion_n of_o systole_n and_o diastole_n as_o the_o heart_n which_o we_o shall_v explain_v afterward_o use_n their_o use_n their_o use_n be_v to_o receive_v the_o blood_n which_o be_v bring_v by_o the_o vein_n and_o by_o they_o to_o be_v thrust_v
into_o the_o ventricles_n of_o the_o heart_n heart_n of_o the_o ventricles_n of_o the_o heart_n in_o the_o heart_n there_o be_v two_o cavity_n or_o ventricles_n which_o answer_n to_o the_o two_o ear_n one_o on_o each_o side_n the_o side_n of_o these_o cavity_n be_v very_o unequal_a full_a of_o fibres_n and_o little_a fleshy_a production_n long_a and_o round_o of_o a_o different_a figure_n and_o bigness_n call_v columnae_n or_o pillar_n betwixt_o these_o fibre_n there_o be_v several_a furrow_n in_o the_o side_n of_o the_o ventricles_n especial_o in_o the_o left_a ventricle_n they_o be_v deep_a and_o large_a they_o contribute_v much_o to_o the_o close_a contraction_n of_o the_o ventricles_n and_o because_o the_o side_n of_o the_o right_a ventricle_n be_v much_o thin_a than_o the_o left_a therefore_o there_o be_v often_o two_o or_o three_o fleshy_a fibre_n which_o come_v from_o the_o middle_a partition_n to_o its_o opposite_a side_n to_o hinder_v it_o from_o dilate_v too_o much_o the_o right_a ventricle_n seem_v wide_a than_o the_o left_a which_o be_v long_o and_o narrow_a than_o the_o right_n and_o its_o side_n strong_a and_o thick_a the_o two_o ventricles_n be_v separate_v by_o the_o septum_fw-la medium_fw-la which_o be_v proper_o the_o inside_n of_o the_o left_a ventricle_n be_v its_o fibre_n be_v continue_v with_o the_o fibre_n of_o the_o opposite_a side_n of_o the_o same_o ventricle_n the_o vessel_n which_o enter_v and_o come_v out_o of_o the_o heart_n be_v the_o vena_fw-la cava_fw-la the_o arteria_fw-la and_o vena_fw-la pulmonaria_fw-la and_o the_o aorta_fw-mi or_o arteria_fw-la magna_fw-la valve_n of_o the_o right_a ventricle_n and_o of_o its_o valve_n the_o right_a ventricle_n receive_v the_o blood_n from_o the_o vena_fw-la cava_fw-la through_o the_o right_a ear_n and_o at_o the_o mouth_n of_o the_o ventricle_n there_o be_v place_v three_o valve_n make_v of_o a_o thin_a membrane_n they_o be_v of_o a_o triangular_a figure_n and_o be_v call_v tricuspide_n their_o base_n be_v fix_v to_o the_o mouth_n of_o the_o ventricle_n and_o their_o point_n tie_v by_o small_a fibre_n to_o the_o fleshy_a production_n so_o that_o when_o the_o heart_n contract_v its_o point_n approach_v its_o basis_n the_o fleshy_a production_n move_v upward_o therefore_o the_o fibre_n of_o these_o valve_n be_v relax_v and_o the_o valve_n lift_v up_o by_o the_o blood_n which_o get_v underneath_o they_o because_o the_o furrow_n and_o fleshy_a production_n keep_v the_o valve_n at_o a_o little_a distance_n from_o the_o side_n of_o the_o ventricle_n give_v way_n to_o the_o blood_n to_o pass_v under_o they_o and_o so_o to_o thrust_v up_o the_o valve_n which_o shut_v so_o close_o the_o entry_n into_o the_o ventricle_n that_o the_o blood_n can_v return_v the_o way_n it_o come_v in_o but_o when_o the_o ventricle_n be_v dilate_v the_o fibre_n be_v pull_v down_o and_o the_o passage_n make_v open_a for_o the_o blood_n to_o enter_v pulmonaria_fw-la of_o the_o valve_n of_o the_o arteria_fw-la pulmonaria_fw-la when_o the_o heart_n contract_v the_o valve_n be_v lift_v up_o the_o blood_n in_o the_o right_a ventricle_n find_v a_o open_a passage_n into_o the_o arteria_fw-la pulmonaria_fw-la which_o rise_v immediate_o out_o of_o the_o right_a ventricle_n its_o mouth_n be_v less_o than_o the_o cava_fw-la it_o have_v three_o valve_n call_v segmoidales_n or_o semilunares_a because_o they_o resemble_v a_o half-moon_n or_o segment_n of_o a_o circle_n their_o substance_n be_v membranous_a when_o they_o separate_v they_o give_v passage_n to_o the_o blood_n from_o the_o ventricle_n into_o the_o artery_n but_o they_o shut_v the_o passage_n and_o be_v thrust_v together_o by_o the_o blood_n if_o it_o endeavour_v to_o return_v ventricle_n of_o the_o valve_n of_o the_o left_a ventricle_n the_o vena_fw-la pulmonaria_fw-la discharge_v itself_o through_o the_o left_a ear_n into_o the_o ventricle_n of_o the_o same_o side_n at_o the_o orifice_n of_o this_o ventricle_n there_o be_v two_o valve_n call_v mitrale_n because_o when_o they_o be_v join_v together_o they_o resemble_v a_o mitre_n they_o be_v broad_a than_o the_o other_o valve_n they_o be_v situate_v and_o have_v the_o same_o use_n as_o the_o tricuspide_n in_o the_o right_a ventricle_n aorta_fw-mi of_o the_o valve_n of_o the_o aorta_fw-mi the_o aorta_fw-la or_o great_a artery_n rise_v immediate_o out_o of_o the_o left_a ventricle_n it_o have_v three_o valve_n which_o have_v the_o same_o use_v and_o figure_n as_o the_o semilunares_a in_o the_o arteria_fw-la pulmonaria_fw-la fibre_n of_o the_o substance_n of_o the_o heart_n and_o of_o the_o order_n of_o its_o fibre_n the_o heart_n be_v a_o compound_n muscle_n its_o substance_n be_v make_v of_o fibres_n of_o the_o same_o nature_n as_o those_o of_o other_o muscle_n there_o be_v several_a order_n of_o they_o which_o have_v different_a direction_n and_o all_o their_o tendon_n be_v in_o the_o basis_n of_o the_o heart_n the_o first_o or_o external_n order_n be_v of_o fibres_n which_o surround_v the_o whole_a heart_n they_o go_v in_o a_o oblique_a or_o spiral_n line_n from_o the_o left_a to_o the_o right_n except_o on_o the_o surface_n of_o the_o right_a side_n some_o of_o its_o fine_a fibre_n go_v in_o a_o straight_a line_n from_o the_o basis_n to_o the_o point_n the_o second_o or_o next_o order_n surround_v also_o the_o whole_a heart_n they_o have_v a_o contrary_a direction_n which_o be_v from_o the_o right_n to_o the_o left_a in_o a_o oblique_a or_o spiral_n line_n the_o next_o order_n be_v only_o proper_a to_o the_o left_a ventricle_n the_o first_o which_o be_v on_o the_o external_a side_n of_o the_o ventricle_n go_v in_o a_o oblique_a line_n from_o the_o left_a to_o the_o right_n the_o second_o order_n be_v on_o the_o inside_n or_o that_o which_o make_v the_o septum_fw-la medium_fw-la or_o partition_n wall_n of_o the_o ventricles_n they_o go_v in_o a_o oblique_a line_n from_o the_o right_n to_o the_o left_a and_o they_o be_v continue_v with_o the_o forego_n fibre_n at_o the_o point_n of_o the_o heart_n all_o these_o order_n of_o fibres_n come_v together_o as_o to_o one_o common_a centre_n at_o the_o point_n of_o the_o heart_n but_o obs_n that_o all_o the_o fibre_n of_o the_o same_o order_n do_v not_o always_o go_v from_o the_o basis_n to_o the_o point_n for_o some_o after_o they_o have_v go_v about_o half_a way_n oblique_o from_o the_o one_o side_n turn_v up_o oblique_o and_o be_v insert_v in_o the_o basis_n on_o the_o other_o side_n neither_o do_v all_o the_o fibre_n in_o the_o same_o order_n keep_v together_o for_o some_o intermix_v with_o the_o fibre_n of_o the_o next_o order_n so_o in_o separate_v these_o order_n many_o fibre_n be_v break_v some_o of_o the_o fibre_n in_o the_o internal_a order_n proper_a to_o the_o left_a ventricle_n terminate_v in_o the_o fleshy_a production_n of_o the_o same_o ventricle_n the_o bone_n which_o be_v find_v in_o the_o basis_n of_o the_o heart_n of_o several_a beast_n be_v nothing_o but_o the_o tendon_n of_o the_o fibre_n of_o the_o heart_n ossify_v it_o be_v sometime_o find_v in_o men._n heart_n of_o the_o systole_n and_o diastole_n of_o the_o heart_n this_o muscle_n have_v two_o motion_n which_o they_o call_v systole_n and_o diastole_n the_o systole_n be_v when_o the_o fibre_n of_o the_o heart_n contract_n its_o point_n approach_v its_o basis_n the_o heart_n become_v short_a its_o side_n swell_v and_o its_o cavity_n be_v strong_o press_v on_o all_o side_n the_o diastole_n be_v when_o this_o muscle_n cease_v to_o act_v its_o fibre_n be_v lengthen_v its_o point_n retire_v from_o its_o basis_n its_o side_n fall_v and_o its_o cavity_n become_v large_a and_o wide_o heart_n of_o the_o circulation_n of_o the_o blood_n through_o the_o heart_n have_v describe_v the_o heart_n and_o its_o part_n let_v we_o now_o consider_v the_o circulation_n of_o the_o blood_n which_o be_v perform_v by_o mean_n of_o this_o muscle_n the_o vena_fw-la cava_fw-la ascendens_fw-la and_o descendens_fw-la unite_v in_o one_o and_o open_a into_o the_o right_a ear_n where_o they_o unite_v there_o be_v a_o little_a protuberance_n make_v by_o their_o coat_n on_o the_o inside_n of_o the_o canal_n like_o a_o isthmus_n which_o direct_v the_o blood_n both_o of_o the_o one_o and_o the_o other_o into_o the_o ear_n and_o so_o hinder_v they_o from_o rush_v upon_o one_o another_o the_o right_a ear_n in_o its_o diastole_n receive_v the_o blood_n from_o the_o vena_fw-la cava_fw-la which_o by_o its_o systole_n be_v thrust_v into_o the_o right_a ventricle_n for_o the_o tendinous_a circle_n which_o be_v at_o the_o mouth_n of_o the_o cava_fw-la contract_n and_o hinder_v the_o blood_n to_o return_v into_o it_o which_o at_o the_o same_o time_n be_v in_o its_o diastole_n in_o the_o systole_n of_o the_o right_a ventricle_n the_o blood_n be_v thrust_v into_o the_o arteria_fw-la pulmonaria_fw-la for_o it_o can_v return_v into_o the_o ear_n
of_o it_o come_v out_o at_o the_o hole_n in_o the_o foreside_n of_o the_o same_o bone_n under_o the_o orbit_n and_o be_v distribute_v in_o the_o cheek_n and_o nose_n another_o pass_v under_o the_o processus_n zygomaticus_n and_o be_v distribute_v in_o the_o temporal_a muscle_n and_o the_o three_o be_v distribute_v in_o the_o palate_n and_o muscle_n of_o the_o pharynx_n the_o three_o branch_n of_o the_o five_o pair_n pass_v through_o another_o hole_n of_o the_o os_fw-mi sphaenoide_v and_o then_o it_o divide_v into_o two_o branch_n the_o first_o of_o which_o be_v again_o divide_v into_o four_o branch_n of_o which_o the_o first_o pass_v between_o the_o condile_n and_o the_o corone_n of_o the_o low_a jaw_n to_o the_o massater_n the_o second_o be_v distribute_v in_o the_o crotaphites_n the_o three_o pass_v under_o the_o processus_n zygomaticus_n to_o the_o buccinator_fw-la gland_n of_o the_o cheek_n and_o upper_a lip_n and_o the_o four_o pass_v from_o behind_o the_o condile_n of_o the_o low_a jaw_n where_o it_o join_v the_o parson_n dura_n over_o the_o jaw_n and_o be_v distribute_v in_o the_o face_n the_o second_o branch_n be_v divide_v into_o three_o other_o the_o first_o pass_v between_o the_o pterigoidaeus_n externus_fw-la and_o the_o internus_fw-la and_o towards_o the_o angle_n of_o the_o low_a jaw_n it_o send_v out_o a_o branch_n which_o make_v the_o chorda_fw-la tympani_fw-la which_o go_v also_o to_o the_o muscle_n of_o the_o malleolus_n and_o then_o it_o join_v the_o portio_fw-la dura_n before_o it_o come_v out_o of_o the_o cranium_fw-la the_o rest_n be_v spread_v on_o the_o chin._n the_o second_o go_v along_o the_o side_n of_o the_o tongue_n send_v out_o several_a branch_n which_o join_v the_o nine_o pair_n it_o give_v also_o some_o twig_n to_o the_o glandulae_fw-la sublinguales_fw-la to_o the_o muscle_n of_o the_o tongue_n and_o os_fw-la hyoide_v the_o three_o go_v to_o the_o tooth_n of_o the_o low_a jaw_n by_o the_o hole_n in_o its_o inside_n pair_n the_o six_o pair_n the_o six_o pair_n of_o nerve_n rise_v from_o the_o side_n of_o the_o processus_n annularis_fw-la this_o be_v a_o small_a nerve_n which_o pass_v straight_o through_o the_o foramen_fw-la lacerum_fw-la and_o be_v whole_o spend_v on_o the_o musculus_fw-la abducens_fw-la but_o a_o little_a before_o it_o enter_v the_o orbit_n it_o cast_v back_o a_o branch_n which_o alone_o make_v the_o root_n of_o the_o intercostal_n nerve_n it_o pass_v out_o of_o the_o skull_n by_o the_o same_o passage_n the_o carotidale_a artery_n enter_v as_o soon_o as_o it_o be_v come_v out_o of_o the_o skull_n it_o with_o a_o branch_n of_o the_o ten_o pair_n and_o of_o the_o first_o and_o second_o of_o the_o vertebra_n of_o the_o neck_n form_n a_o large_a plexus_fw-la call_v cervicalis_fw-la below_o this_o it_o receive_v a_o branch_n make_v of_o a_o twig_n of_o the_o ten_o pair_n and_o of_o the_o first_o of_o the_o neck_n as_o it_o descend_v above_o the_o musculus_fw-la scalenus_n and_o below_o the_o eight_o pair_n it_o receive_v a_o branch_n from_o each_o of_o the_o vertebral_n nerve_n when_o it_o come_v to_o the_o clavicula_fw-la it_o divide_v into_o two_o branch_n of_o which_o one_o pass_n above_o the_o axillary_a artery_n and_o the_o other_o under_o it_o and_o then_o they_o immediate_o join_v again_o they_o with_o a_o branch_n of_o the_o first_o pair_n of_o the_o back_n form_n a_o pretty_a large_a plexus_fw-la at_o this_o place_n and_o sometime_o before_o for_o it_o observe_v no_o regularity_n it_o cast_v out_o a_o branch_n which_o with_o a_o branch_n of_o the_o eight_o pair_n form_n the_o plexus_fw-la cardiacus_fw-la then_o it_o go_v down_o the_o cavity_n of_o the_o thorax_n under_o the_o pleura_fw-la near_o the_o vertebra_n and_o as_o it_o pass_v by_o it_o receive_v a_o branch_n from_o every_o pair_n of_o the_o back_n by_o which_o it_o grow_v big_a and_o big_a as_o it_o go_v out_o of_o the_o thorax_n it_o divide_v into_o several_a branch_n of_o which_o the_o three_o superior_a in_o the_o right_a side_n form_v the_o plexus_fw-la hepaticus_fw-la and_o in_o the_o leave_v the_o plexus_fw-la splenicus_fw-la these_o plexus_n furnish_v nerve_n to_o the_o kidney_n to_o the_o pancreas_n to_o the_o caul_n to_o the_o low_a part_n of_o the_o stomach_n to_o the_o spleen_n to_o the_o liver_n to_o the_o mesentery_n to_o the_o intestine_n and_o their_o branch_n form_v a_o large_a net_n upon_o the_o mesenterick_a artery_n call_v plexus_fw-la mesentericus_fw-la the_o inferior_a branch_n as_o they_o go_v down_o upon_o the_o vertebra_n of_o the_o loin_n receive_v a_o branch_n from_o the_o first_o of_o the_o loin_n and_o they_o send_v out_o some_o branch_n which_o join_v those_o of_o the_o superior_a branch_n which_o go_v to_o the_o gut_n and_o which_o form_n the_o net_n upon_o the_o mesenterick_a artery_n then_o they_o go_v down_o into_o the_o basin_n and_o form_v a_o large_a plexus_fw-la above_o the_o straight_a gut_n to_o which_o it_o give_v nerve_n as_o also_o to_o the_o bladder_n vesiculae_fw-la seminales_fw-la prostratae_fw-la in_o man_n and_o to_o the_o womband_n vagina_n in_o woman_n auditorius_fw-la nervus_fw-la auditorius_fw-la the_o seven_o pair_n be_v the_o nervus_fw-la auditorius_fw-la it_o arise_v from_o the_o hind_a part_n of_o the_o processus_n annularis_fw-la it_o enter_v the_o hole_n in_o the_o inner_a process_n of_o the_o os._n petrosum_n it_o divide_v into_o two_o branch_n that_o which_o be_v soft_a be_v call_v portio_fw-la mollis_fw-la and_o it_o be_v distribute_v in_o the_o labyrinth_n cochlea_n and_o membrane_n which_o cover_v the_o cavity_n of_o the_o ear._n that_o which_o be_v hard_a be_v call_v portio_n dura_n it_o go_v out_o of_o the_o ear_n by_o that_o hole_n which_o be_v between_o the_o processus_n mastoide_v and_o styloide_n it_o divide_v into_o two_o branch_n of_o which_o one_o go_v to_o the_o muscle_n of_o the_o tongue_n or_o os_fw-la hyoide_v and_o it_o give_v a_o small_a branch_n to_o the_o eight_o pair_n the_o other_o be_v distribute_v in_o the_o external_n ear_n nose_n lip_n and_o cheek_n vagum_fw-la par_fw-fr vagum_fw-la the_o eight_o pair_n be_v the_o par_fw-fr vagum_fw-la it_o rise_v from_o the_o side_n of_o the_o medulla_n oblongata_fw-la behind_o the_o processus_n annularis_fw-la by_o several_a thread_n which_o join_v together_o and_o go_v out_o by_o the_o same_o hole_n that_o the_o sinus_n laterales_fw-la discharge_n themselves_o into_o the_o jugulares_fw-la it_o be_v join_v by_o a_o branch_n of_o the_o nervus_fw-la spinalis_fw-la or_o accessorius_fw-la willisii_n and_o by_o a_o small_a branch_n of_o the_o portio_fw-la dura_n immediate_o after_o it_o come_v out_o of_o the_o skull_n it_o give_v a_o small_a branch_n to_o the_o larynx_n as_o it_o go_v down_o the_o neck_n above_o the_o intercostal_n nerve_n by_o the_o side_n of_o the_o internal_a carotid_n at_o the_o axillary_a artery_n it_o cast_v back_o the_o recurrent_a nerve_n of_o which_o the_o right_a embrace_n the_o axillary_a artery_n and_o the_o leave_v the_o aorta_fw-mi these_o two_o branch_n ascend_v on_o each_o side_n of_o the_o trachea_n arteria_fw-la to_o the_o larynx_n where_o they_o be_v spend_v on_o the_o muscle_n of_o the_o larynx_n and_o membrane_n of_o the_o trachea_n then_o the_o eight_o pair_n after_o it_o have_v enter_v the_o cavity_n of_o the_o thorax_n send_v out_o two_o branch_n which_o with_o the_o branch_n of_o the_o two_o intercostal_n form_n a_o little_a above_o the_o heart_n between_o the_o aorta_fw-mi and_o the_o trachea_n the_o plexus_fw-la câ—â—dincus_n which_o give_v a_o great_a number_n of_o small_a branch_n to_o the_o pericardium_n and_o heart_n particular_o very_o many_o creep_v along_o the_o aorta_fw-la to_o the_o left_a ventricle_n the_o eight_o pair_n give_v also_o several_a branch_n to_o the_o lung_n which_o accompany_v the_o bronchiae_n than_o it_o descend_v upon_o the_o oesophagus_n and_o be_v spread_v upon_o the_o stomach_n and_o some_o twig_n go_v to_o the_o concave_a side_n of_o the_o liver_n as_o have_v be_v say_v already_o with_o this_o nerve_n it_o be_v usual_a to_o describe_v another_o which_o pass_v out_o of_o the_o skull_n at_o the_o same_o hole_n with_o it_o it_o be_v call_v nervus_fw-la accessorius_fw-la willisii_n it_o arise_v from_o the_o medulla_n spinalis_fw-la about_o the_o begin_n of_o the_o six_o pair_n of_o the_o neck_n as_o it_o ascend_v to_o the_o head_n it_o receive_v on_o each_o side_n a_o twig_n from_o the_o first_o five_o pair_n of_o nerve_n of_o the_o neck_n as_o they_o rise_v from_o the_o medulla_n spinalis_fw-la then_o it_o enter_v the_o skull_n and_o pass_v out_o of_o it_o again_o with_o the_o eight_o pair_n and_o be_v whole_o spend_v upon_o the_o musculus_fw-la trapezius_fw-la pair_n the_o nine_o pair_n the_o nine_o pair_n rise_v from_o the_o processus_n olivares_n of_o the_o medulla_n oblongata_fw-la it_o pass_v out_o of_o the_o skull_n by_o its_o own_o proper_a hole_n in_o the_o os_fw
the_o intestine_n at_o this_o orifice_n the_o tunicle_n of_o the_o stomach_n be_v much_o thick_a than_o they_o be_v any_o where_o else_o and_o the_o inmost_a have_v a_o thick_a and_o strong_a duplicature_n which_o serve_v as_o a_o valve_n to_o the_o pylorus_n when_o it_o contract_v and_o shut_v coat_n its_o coat_n the_o stomach_n be_v make_v of_o four_o membrane_n or_o coat_n the_o first_o and_o inmost_a be_v make_v of_o short_a fibres_n which_o stand_v perpendicular_o upon_o the_o fibre_n of_o the_o next_o coat_n they_o be_v to_o be_v see_v plain_o towards_o the_o pylorus_n this_o coat_n be_v much_o large_a than_o the_o rest_n be_v it_o be_v full_a of_o plait_n and_o wrinkle_n and_o chief_o about_o the_o pylorus_n these_o plait_n retard_v the_o chyle_n that_o it_o run_v not_o out_o of_o the_o stomach_n before_o it_o be_v sufficient_o digest_v in_o this_o coat_n there_o be_v also_o a_o great_a number_n of_o small_a gland_n which_o separate_v a_o liquor_n which_o besmear_v all_o the_o cavity_n of_o the_o stomach_n therefore_o this_o coat_n be_v call_v tunica_n glandulosa_n the_o second_o be_v much_o fine_a and_o thin_a it_o be_v altogether_o nervous_a it_o be_v of_o a_o exquisite_a sense_n and_o it_o be_v call_v nervosa_fw-la the_o three_o be_v muscular_a be_v make_v of_o straight_o and_o circular_a fibre_n the_o straight_o run_v upon_o the_o upper_a part_n of_o the_o stomach_n between_o its_o superior_a and_o inferior_a orifice_n and_o the_o circular_a run_v oblique_o from_o the_o upper_a part_n of_o the_o stomach_n to_o the_o bottom_n these_o fibre_n by_o their_o contraction_n and_o continual_a motion_n help_v the_o attrition_n and_o digestion_n of_o the_o aliment_n the_o four_o tunicle_n be_v common_a it_o come_v from_o the_o peritonaeum_fw-la the_o stomach_n receive_v vein_n from_o the_o porta_n vessel_n its_o vessel_n viz._n the_o gastrica_fw-la pylorica_fw-la and_o vas_n breve_fw-la and_o branch_n from_o the_o gastroepiplois_a dextra_fw-la &_o sinistra_fw-la which_o be_v accompany_v with_o branch_n of_o the_o arteria_fw-la coeliaca_fw-la all_o which_o lie_v immediate_o under_o the_o four_o coat_n of_o the_o stomach_n the_o eight_o pair_n of_o nerve_n or_o par_fw-fr vagum_fw-la give_v then_o considerable_a branch_n to_o the_o stomach_n which_o descend_v by_o the_o side_n of_o the_o gullet_n divide_v each_o into_o two_o branch_n the_o external_n and_o internal_a the_o two_o external_n branch_n unite_v in_o one_o and_o the_o internal_a do_v so_o likewise_o both_o which_o pierce_v the_o midriff_n form_n by_o a_o great_a number_n of_o small_a twig_n upon_o the_o upper_a orifice_n of_o the_o stomach_n a_o plexus_fw-la and_o then_o the_o internal_a branch_n spread_v its_o self_n down_o to_o the_o bottom_n of_o the_o stomach_n and_o the_o external_n branch_n spread_v itself_o upon_o the_o inside_n about_o the_o upper_a orifice_n of_o the_o stomach_n this_o great_a number_n of_o nerve_n which_o be_v about_o the_o upper_a orifice_n render_v it_o very_o sensible_a and_o from_o they_o also_o proceed_v the_o great_a sympathy_n betwixt_o the_o stomach_n head_n and_o heart_n upon_o which_o account_n van_n helmont_n think_v that_o the_o soul_n have_v its_o seat_n in_o the_o upper_a orifice_n of_o the_o stomach_n the_o plexus_fw-la nervosus_fw-la of_o the_o hypochondria_n and_o mesenterium_fw-la give_v several_a branch_n to_o the_o bottom_n of_o the_o stomach_n therefore_o in_o hysterick_n and_o hypochondriack_n passion_n the_o stomach_n be_v also_o affect_v use_n it_o be_v use_n the_o use_n of_o the_o stomach_n be_v digestion_n which_o be_v the_o dissolution_n or_o separation_n of_o the_o minute_n part_v of_o the_o aliment_n not_o only_o by_o the_o saliva_n and_o succus_fw-la of_o the_o gland_n in_o the_o bottom_n of_o the_o stomach_n but_o also_o by_o the_o continual_a motion_n of_o its_o muscular_a fibre_n and_o when_o this_o aliment_n be_v sufficient_o dissolve_v in_o the_o stomach_n it_o be_v by_o these_o same_o fibre_n throw_v out_o at_o the_o pylorus_n into_o the_o intestine_n sect_n viii_o of_o the_o intestine_n be_v what_o the_o gut_n be_v the_o intestine_n or_o gut_n be_v a_o long_a canal_n which_o be_v knit_v all_o along_o the_o circumference_n of_o the_o mesenterium_fw-la by_o several_a circumvolution_n reach_n from_o the_o pylorus_n to_o the_o anus_fw-la they_o be_v six_o time_n the_o length_n of_o the_o body_n in_o which_o they_o be_v by_o which_o mean_v the_o chyle_n have_v time_n enough_o to_o be_v separate_a from_o the_o face_n before_o they_o be_v cast_v out_o at_o the_o anus_fw-la coat_n their_o coat_n they_o be_v compose_v of_o three_o coat_n the_o inmost_a be_v nervous_a and_o very_o sensible_a it_o be_v full_a of_o circular_a wrinkle_n and_o plait_n which_o retard_v the_o motion_n of_o the_o chyle_n and_o descent_n of_o the_o excrement_n it_o be_v cover_v with_o a_o mucous_a sort_n of_o crust_n which_o defend_v it_o against_o the_o acrimony_n of_o the_o bile_n in_o this_o crust_n there_o be_v a_o infinite_a number_n of_o small_a gland_n they_o be_v place_v as_o it_o be_v by_o plotoun_n in_o the_o small_a gut_n but_o in_o the_o great_a gut_n they_o be_v few_o and_o be_v place_v one_o by_o one_o they_o lie_v only_o in_o that_o side_n of_o the_o intestine_a which_o be_v knit_v to_o the_o mesentery_n some_o say_v that_o they_o have_v each_o a_o excretory_a dust_n which_o pour_v â—nto_o the_o cavity_n of_o the_o intestine_n a_o white_a liquor_n which_o serve_v to_o hasten_v the_o separation_n of_o the_o chyle_n from_o the_o faeces_fw-la other_o think_v that_o they_o separate_v the_o mucosity_n which_o besmear_v the_o inside_n of_o the_o intestine_n and_o a_o three_o opinion_n draw_v from_o their_o situation_n and_o the_o liquor_n which_o be_v find_v in_o they_o be_v that_o they_o be_v only_a caruncle_n place_v at_o the_o mouth_n of_o the_o lacteal_v vein_n the_o second_o coat_n be_v make_v of_o spiral_n and_o straight_a fibres_n the_o spiral_n fibres_n contract_n the_o cavity_n of_o the_o intestine_n when_o they_o act_v and_o the_o straight_a fibres_fw-fr shorten_v the_o intestine_n when_o they_o contract_v the_o three_o and_o external_n coat_n be_v common_a it_o come_v from_o the_o peritonaeum_fw-la gut_n the_o division_n of_o the_o gut_n though_o the_o intestine_n be_v one_o continue_a pipe_n yet_o anatomist_n divide_v it_o into_o six_o part_n three_o thin_a and_o small_a and_o three_o thick_a and_o great_a the_o three_o thin_a and_o small_a be_v the_o duodenum_fw-la jejunum_n and_o ileum_n duodenum_fw-la of_o the_o duodenum_fw-la the_o duodenum_fw-la be_v the_o first_o part_n of_o the_o intestine_n it_o be_v about_o twelve_o finger_n breadth_n long_o it_o be_v continue_v to_o the_o pylorus_n from_o which_o turn_v downward_o it_o run_v under_o the_o stomach_n immediate_o above_o the_o vertebra_n towards_o the_o left_a side_n and_o end_n at_o the_o first_o of_o the_o wind_n under_o the_o colon._n at_o its_o low_a end_n there_o be_v two_o canal_n which_o 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some_o more_o venâ—_n lacteae_fw-la into_o which_o the_o chyle_n pass_v it_o be_v find_v always_o more_o empty_a therefore_o it_o be_v call_v jejunum_n and_o the_o fold_n or_o membranous_a circle_n of_o its_o inner_a coat_n be_v near_o to_o one_o another_o and_o in_o great_a number_n than_o in_o the_o ileum_n ileum_n of_o the_o ileum_n the_o three_o and_o last_o of_o the_o small_a gut_n be_v the_o ileum_n it_o be_v about_o 21_o hand_n breadth_n long_o it_o begin_v where_o the_o jejunum_n end_n and_o make_v several_a turn_n and_o wind_n it_o fill_v all_o the_o low_a part_n of_o the_o umbilical_a region_n and_o all_o the_o space_n betwixt_o the_o ilia_n and_o be_v continue_v transverse_o not_o in_o a_o straight_a line_n to_o the_o begin_n of_o the_o colon_n in_o the_o right_a side_n its_o passage_n be_v a_o little_o narrow_a than_o that_o of_o the_o jejunum_n and_o its_o coat_n seem_v somewhat_o thin_a this_o intestine_a because_o of_o its_o situation_n
because_o of_o the_o valvulae_fw-la tricuspide_n which_o communicate_v with_o the_o vena_fw-la pulmonaria_fw-la which_o carry_v back_o the_o blood_n into_o the_o left_a ear_n which_o in_o its_o systole_n thrust_v the_o blood_n into_o the_o left_a ventricle_n which_o be_v then_o in_o its_o diastole_n in_o the_o systole_n of_o this_o ventricle_n the_o blood_n be_v thrust_v into_o the_o aorta_n for_o it_o can_v return_v into_o the_o ear_n because_o of_o the_o valunlae_n mitrale_n which_o carry_v it_o through_o all_o the_o body_n now_o the_o aorta_fw-la when_o it_o come_v out_o of_o the_o heart_n ascend_v a_o little_a upward_o and_o then_o turn_v downward_o to_o form_v the_o descend_a trunk_n because_o the_o blood_n may_v offend_v the_o brain_n if_o it_o run_v with_o that_o impetuosity_n with_o which_o it_o be_v throw_v out_o of_o the_o heart_n and_o from_o the_o upper_a side_n of_o this_o turn_n the_o cervical_a and_o axillary_a vessel_n do_v arise_v by_o this_o artifice_n the_o blood_n collide_n against_o the_o side_n of_o the_o aorta_fw-mi its_o force_n be_v break_v part_n of_o it_o be_v take_v in_o by_o the_o mouth_n of_o the_o ascend_a branch_n but_o it_o be_v great_a part_n be_v direct_v downward_o foetus_fw-la of_o the_o circulation_n of_o the_o blood_n in_o the_o foetus_fw-la let_v we_o now_o consider_v which_o way_n the_o blood_n circulate_v in_o the_o foetus_fw-la for_o this_o you_o must_v observe_v that_o in_o the_o right_a ear_n on_o the_o low_a side_n of_o the_o protuberance_n of_o the_o cava_fw-la just_a opposite_a to_o the_o mouth_n of_o the_o cava_fw-la descendens_fw-la there_o be_v a_o hole_n call_v the_o foramen_fw-la ovale_n which_o open_v into_o the_o vena_fw-la pulmonaria_fw-la this_o hole_n have_v a_o valve_n which_o suffer_v the_o blood_n to_o enter_v the_o vein_n but_o hinder_v it_o to_o come_v back_o again_o there_o be_v likewise_o a_o passage_n or_o canal_n call_v ductus_fw-la bottali_fw-la which_o come_v from_o the_o trunk_n of_o the_o arteria_fw-la pulmonaria_fw-la and_o go_v to_o the_o trunk_n of_o the_o aorta_fw-mi now_o the_o blood_n which_o come_v from_o the_o placenta_n by_o the_o umbilical_a vein_n into_o the_o porta_n be_v send_v into_o the_o cava_fw-la by_o a_o canal_n which_o go_v straight_o from_o the_o trunk_n of_o the_o porta_n to_o the_o trunk_n of_o the_o cava_fw-la in_o the_o liver_n this_o ascend_v the_o vena_fw-la cava_fw-la and_o be_v direct_o throw_v through_o the_o foramen_fw-la ovale_n into_o the_o vena_fw-la pulmonaria_fw-la which_o carry_v it_o into_o the_o left_a ventricle_n which_o throw_v it_o into_o the_o aorta_n to_o be_v distribute_v through_o all_o the_o body_n but_o the_o blood_n which_o come_v down_o the_o vena_fw-la cava_fw-la ascendens_fw-la be_v divert_v by_o the_o isthmus_n of_o the_o cava_fw-la from_o the_o foramen_fw-la ovale_n and_o fall_v into_o the_o right_a ventricle_n which_o thrust_v it_o into_o the_o arteria_fw-la pulmonaria_fw-la from_o whence_o it_o be_v immediate_o carry_v by_o the_o ductus_fw-la bottali_fw-la into_o the_o aorta_n to_o be_v mix_v with_o the_o rest_n of_o the_o blood_n by_o this_o you_o see_v that_o the_o blood_n which_o come_v from_o the_o vena_fw-la cava_fw-la descendens_fw-la pass_v only_o through_o the_o left_a ventricle_n whilst_o the_o blood_n which_o come_v from_o the_o cava_fw-la ascendens_fw-la pass_v only_o through_o the_o right_a ventricle_n thus_o have_v show_v what_o way_n and_o by_o what_o mean_v the_o blood_n circulate_v through_o the_o heart_n let_v we_o now_o reflect_v a_o little_a upon_o the_o quickness_n of_o its_o motion_n each_o ventricle_n will_v at_o least_o contain_v a_o ounce_n of_o blood_n and_o therefore_o we_o may_v safe_o suppose_v that_o the_o heart_n throw_v into_o the_o aorta_n a_o ounce_n of_o blood_n every_o time_n it_o contract_v the_o heart_n contract_v 4000_o time_n in_o one_o hour_n or_o sometime_o more_o and_o sometime_o less_o according_a to_o the_o different_a temperament_n sex_n and_o age_n from_o which_o it_o follow_v that_o there_o pass_v through_o the_o heart_n every_o hour_n 4000_o ounce_n or_o 350_o pound_n of_o blood_n now_o the_o whole_a mass_n of_o blood_n be_v but_o about_o 25_o pound_n so_o that_o a_o quantity_n of_o blood_n equal_a to_o the_o whole_a mass_n of_o blood_n pass_v through_o the_o heart_n 14_o time_n in_o one_o hour_n which_o be_v about_o once_o every_o 4_o minute_n i_o say_v a_o quantity_n which_o be_v equal_a to_o the_o whole_a mass_n of_o blood_n and_o not_o the_o whole_a mass_n itself_o for_o it_o be_v not_o to_o be_v suppose_v that_o the_o blood_n which_o go_v to_o the_o extremity_n can_v return_v to_o the_o heart_n as_o soon_o as_o the_o blood_n which_o go_v only_o to_o the_o kidney_n or_o liver_n the_o velocity_n and_o quantity_n of_o blood_n together_o with_o the_o time_n it_o take_v to_o run_v in_o different_a blood_n vessel_n differ_v according_a to_o the_o different_a length_n and_o orifice_n of_o the_o vessel_n according_a to_o the_o great_a and_o lesser_a compression_n the_o vessel_n receive_v in_o the_o different_a part_n through_o which_o they_o run_v according_a to_o different_a quantity_n of_o secretion_n from_o the_o vessel_n in_o the_o several_a part_n of_o the_o body_n according_a as_o the_o vessel_n have_v more_o or_o less_o turn_n and_o wind_n and_o according_a as_o they_o divide_v into_o more_o of_o few_o branch_n these_o thing_n determinate_a the_o velocity_n time_n and_o quantity_n of_o blood_n in_o the_o several_a vessel_n of_o the_o body_n in_o the_o blood_n there_o be_v much_o volatile_a salt_n and_o spirit_n some_o phlegm_n and_o sulphur_n a_o little_a earth_n but_o little_a or_o not_o fix_v salt_n alcali_n dissolve_v it_o and_o acid_n coagulate_v it_o sect_n v._o of_o the_o lung_n lung_n of_o the_o figure_n of_o the_o lung_n the_o lung_n be_v in_o the_o middle_n of_o the_o cavity_n of_o the_o thorax_n they_o be_v divide_v into_o two_o lobe_n by_o the_o mediastinum_fw-la and_o the_o left_a be_v ordinary_o subdivide_v into_o two_o more_o the_o figure_n of_o both_o lobe_n together_o resemble_v a_o cow_n foot_n be_v a_o little_a concave_n betwixt_o the_o two_o lobe_n where_o they_o embrace_v the_o heart_n and_o behind_o where_o they_o lie_v upon_o the_o vertebra_n but_o before_o where_o they_o touch_v the_o sternum_fw-la and_o rib_n they_o be_v convex_a the_o colour_n of_o the_o lung_n in_o a_o foetus_fw-la be_v of_o a_o pale_a red_a but_o after_o that_o the_o air_n have_v once_o enter_v they_o connexion_n of_o their_o colour_n and_o connexion_n they_o lose_v their_o red_n and_o remain_v always_o pale_a yet_o in_o adult_n they_o be_v variegated_a with_o the_o one_o and_o the_o other_o they_o be_v tie_v to_o the_o sternum_fw-la by_o the_o mediastinum_fw-la before_o to_o the_o vertebra_n by_o the_o pleura_fw-la behind_o where_o it_o rise_v from_o the_o vertebra_n to_o the_o heart_n by_o the_o vena_fw-la and_o arteria_fw-la pulmonaria_fw-la and_o sometime_o to_o the_o pleura_fw-la where_o it_o cover_v the_o rib_n particular_o in_o the_o left_a side_n and_o especial_o after_o a_o pleurisy_n lung_n of_o the_o membrane_n of_o the_o lung_n the_o lobe_n of_o the_o lung_n be_v cover_v with_o a_o double_a membrane_n the_o external_n be_v smooth_a fine_a but_o close_o the_o internal_a be_v rough_a and_o unequal_a form_v by_o the_o extremity_n of_o the_o vessel_n and_o membrance_n which_o tie_v the_o vesicles_n together_o it_o resemble_v the_o side_n of_o a_o honeycomb_n lung_n of_o the_o structure_n of_o the_o lung_n each_o lobe_n be_v subdivide_v into_o a_o infinite_a number_n of_o little_a lobe_n dispose_v like_o so_o many_o grape_n upon_o the_o side_n and_o extremity_n of_o the_o branch_n of_o the_o bronchiae_n cover_v each_o with_o their_o proper_a membrane_n and_o tie_v together_o by_o a_o number_n of_o membrane_n which_o fill_v up_o the_o space_n that_o these_o lobe_n leave_v between_o one_o another_o each_o little_a lobe_n contain_v a_o infinite_a number_n of_o small_a and_o little_a orbicular_a vesicles_n which_o leave_v small_a interstice_n between_o they_o which_o be_v full_a of_o small_a membrane_n like_o those_o which_o tie_v the_o lobe_n together_o each_o vesicle_n receive_v a_o twig_n from_o the_o branch_n of_o the_o brochiae_n that_o enter_v the_o lobe_n in_o which_o they_o be_v contain_v this_o twig_n open_v in_o their_o cavity_n which_o be_v divide_v into_o little_a cell_n which_o communicate_v with_o one_o another_o and_o a_o twig_n from_o the_o vein_n nerve_n and_o artery_n which_o be_v spread_v upon_o the_o membrane_n of_o the_o vesicle_n each_o vesicle_n communicate_v with_o one_o another_o lung_n of_o the_o vessel_n of_o the_o lung_n now_o the_o vessel_n which_o enter_v the_o lung_n be_v the_o trachea_n or_o aspera_fw-la arteria_fw-la which_o come_v from_o the_o larynx_n the_o arteria_fw-la pulmonaria_fw-la which_o come_v from_o the_o right_a ventricle_n and_o vena_fw-la pulmonaria_fw-la which_o come_v from_o the_o left_a ear_n
of_o the_o heart_n each_o of_o these_o divide_v into_o two_o branch_n for_o the_o two_o great_a lobe_n of_o the_o lung_n which_o be_v accompany_v with_o the_o branch_n from_o the_o eight_o pair_n of_o nerve_n they_o divide_v into_o as_o many_o branch_n as_o there_o be_v little_a lobe_n in_o the_o lung_n wherever_o there_o be_v a_o branch_n of_o the_o trachea_n there_o there_o be_v a_o branch_n of_o the_o nerve_n vein_n and_o artery_n and_o the_o trachea_n be_v always_o in_o the_o middle_n the_o branch_n of_o the_o trachea_n arteria_fw-la which_o be_v ordinary_o call_v bronchiae_n open_a in_o the_o cavity_n of_o the_o vesicles_n and_o the_o nerve_n vein_n and_o artery_n form_n plexus_n upon_o the_o membrane_n of_o the_o vesicles_n the_o artery_n open_v into_o the_o vein_n by_o a_o anastomosis_n beside_o these_o the_o lung_n have_v lymphaticks_n which_o discharge_v themselves_o into_o the_o thoracick_a dust_n accompany_v the_o vein_n and_o they_o be_v chief_o to_o be_v see_v in_o the_o external_n part_n of_o the_o lung_n there_o be_v also_o a_o vein_n which_o come_v from_o the_o cava_fw-la that_o sommichellius_n call_v pneumonica_n and_o a_o artery_n that_o m._n ruysh_a call_n arteria_fw-la bronchialis_fw-la which_o come_v from_o the_o aorta_fw-la the_o artery_n bring_v the_o blood_n for_o the_o nourishment_n of_o the_o substance_n of_o the_o lung_n and_o the_o vein_n carry_v back_o what_o be_v superfluous_a arteria_fw-la of_o the_o trachea_n arteria_fw-la this_o be_v the_o passage_n of_o the_o vessel_n through_o the_o lung_n but_o because_o the_o trachea_n arteria_fw-la have_v a_o particular_a structure_n it_o demand_v a_o particular_a examination_n it_o be_v a_o canal_n situate_v in_o the_o forepart_n of_o the_o neck_n before_o the_o oesophagus_n it_o descend_v from_o the_o larynx_n to_o the_o four_o vertebra_n of_o the_o back_n where_o it_o divide_v and_o enter_v the_o lung_n and_o its_o branch_n be_v afterward_o call_v bronchiae_n cartilage_n of_o its_o cartilage_n this_o canal_n be_v make_v of_o annular_a cartilage_n which_o be_v at_o small_a and_o equal_a distance_n from_o one_o another_o these_o cartilage_n the_o near_o they_o be_v to_o the_o larynx_n the_o big_a they_o be_v and_o the_o further_o they_o be_v from_o it_o the_o small_a they_o be_v and_o those_o of_o the_o bronchiae_n be_v so_o close_o to_o one_o another_o that_o in_o expiration_n the_o second_o enter_v within_o the_o first_o and_o the_o three_o within_o the_o second_o and_o so_o the_o follow_v always_o enter_v the_o precede_a betwixt_o the_o larynx_n and_o the_o lung_n these_o cartilage_n make_v not_o complete_a ring_n but_o their_o hind_a part_n which_o be_v contiguous_a to_o the_o oesophagus_n be_v membranous_a that_o they_o may_v the_o better_a contract_n and_o dilate_v and_o give_v way_n to_o the_o aliment_n as_o they_o go_v down_o the_o oesophagus_n but_o the_o cartilage_n in_o the_o bronchiae_fw-la be_v complete_o annular_a only_o the_o extremity_n of_o the_o bronchiae_n a_o little_a before_o they_o open_v into_o the_o vesicles_n have_v no_o cartilage_n but_o instead_o of_o they_o they_o have_v small_a circular_a ligament_n which_o contract_n and_o dilate_v for_o the_o reception_n and_o expulsion_n of_o the_o air._n membrane_n of_o its_o membrane_n these_o cartilage_n be_v tie_v together_o by_o two_o membrane_n the_o one_o external_a and_o the_o other_o internal_a the_o external_a be_v compose_v of_o circular_a fibre_n it_o cover_v the_o whole_a trachea_n external_o the_o internal_a be_v of_o a_o exquisite_a sense_n it_o cover_v the_o cartilage_n internal_o it_o be_v compose_v of_o three_o distinct_a membrane_n the_o first_o be_v weave_v of_o two_o order_n of_o fibres_n those_o of_o the_o first_o order_n be_v longitudinal_n for_o the_o shorten_n the_o trachea_n they_o make_v the_o cartilage_n approach_v and_o enter_v one_o another_o the_o other_o order_n be_v of_o circular_a fibres_n for_o the_o contract_n the_o cartilage_n when_o these_o two_o order_n of_o fibres_n act_n they_o help_v with_o the_o external_a membrane_n in_o expiration_n in_o cough_n and_o in_o the_o excretion_n of_o any_o tickle_a humour_n the_o second_o membrane_n be_v altogether_o glandulous_a and_o the_o excretory_a vessel_n of_o these_o gland_n open_a in_o the_o cavity_n of_o the_o trachea_n they_o separate_v a_o liquor_n for_o the_o moisten_a the_o cavity_n and_o for_o defend_v it_o from_o the_o acrimony_n of_o the_o air._n the_o three_o and_o last_o be_v a_o net_n of_o vein_n nerve_n and_o artery_n the_o vein_n come_v from_o the_o vena_fw-la cava_fw-la the_o nerve_n from_o the_o recurrent_a and_o the_o artery_n from_o the_o carotide_n lung_n of_o the_o use_n of_o the_o lung_n have_v thus_o consider_v the_o structure_n of_o the_o lung_n it_o be_v evident_a that_o the_o air_n enter_v by_o the_o trachea_n into_o the_o vesicles_n and_o so_o swell_v and_o dilate_v the_o substance_n of_o the_o lung_n in_o inspiration_n but_o in_o expiration_n these_o vesicles_n contract_n and_o thrust_v out_o the_o air_n which_o carry_v a_o great_a deal_n of_o excrementitious_a vapour_n from_o the_o blood_n along_o with_o it_o by_o the_o elasticity_n of_o their_o fibre_n by_o the_o help_n of_o the_o nerve_n and_o by_o the_o pressure_n of_o the_o surround_v body_n employ_v in_o respiration_n it_o be_v also_o evident_a that_o the_o blood_n be_v carry_v from_o the_o heart_n by_o the_o arteria_fw-la pulmonaria_fw-la through_o all_o the_o substance_n of_o the_o lung_n and_o that_o the_o same_o blood_n be_v take_v up_o by_o the_o vena_fw-la pulmonaria_fw-la and_o carry_v back_o again_o to_o the_o heart_n and_o we_o be_v sure_a that_o whilst_o the_o blood_n pass_v through_o the_o lung_n that_o it_o receive_v some_o alteration_n for_o the_o blood_n in_o the_o arteria_fw-la pulmonaria_fw-la be_v of_o a_o dark_a colour_n as_o venal_a blood_n but_o that_o which_o be_v in_o the_o vein_n be_v of_o a_o florid_n red_a as_o arterial_a blood_n yet_o how_o this_o alteration_n be_v make_v be_v not_o determine_v by_o anatomist_n some_o consider_v that_o the_o surface_n of_o venal_a blood_n draw_v in_o a_o pellet_n and_o expose_v to_o the_o air_n turn_v to_o the_o colour_n of_o arterial_a blood_n do_v think_v that_o the_o nitrous_a particle_n of_o the_o air_n which_o we_o breathe_v pass_v through_o the_o tunicle_n of_o the_o vessel_n and_o mix_v with_o the_o blood_n and_o cause_v this_o alteration_n which_o they_o say_v be_v necessary_a for_o the_o recruit_v of_o the_o animal_n spirit_n and_o for_o the_o entertain_v the_o natural_a heat_n of_o the_o blood_n by_o ferment_v with_o the_o sulphureous_a part_n of_o the_o aliment_n other_o explain_v this_o alteration_n only_o by_o the_o beat_n and_o agitation_n of_o the_o air_n upon_o the_o bloody_a vessel_n of_o the_o lung_n which_o indeed_o be_v sufficient_a to_o cause_v this_o alteration_n and_o the_o necessity_n of_o this_o beat_n appear_v by_o a_o experiment_n which_o be_v this_o take_v a_o little_a new_a draw_v blood_n look_v to_o it_o immediate_o through_o a_o microscope_n you_o shall_v see_v a_o number_n of_o small_a red_a globule_n swim_v in_o a_o thin_a and_o clear_a liquor_n and_o the_o long_o you_o look_v the_o more_o of_o these_o globule_n join_v in_o one_o and_o the_o big_a they_o grow_v till_o at_o last_o they_o all_o come_v into_o one_o and_o the_o liquor_n be_v separate_v by_o its_o self_n and_o then_o the_o blood_n be_v coagulate_v thus_o the_o red_a globule_n of_o the_o blood_n in_o the_o vein_n as_o they_o return_v from_o the_o extremity_n grow_v big_a and_o big_a for_o the_o want_n of_o be_v agitate_a and_o if_o they_o be_v not_o separate_v and_o break_v into_o many_o small_a particle_n they_o will_v soon_o cause_v a_o stagnation_n in_o the_o capillary_a vessel_n so_o the_o beat_n of_o the_o air_n in_o inspiration_n and_o expiration_n be_v necessary_a for_o the_o attenuate_a subtilize_a and_o intimate_o mix_v the_o chyle_n lympha_fw-la and_o other_o part_n of_o the_o blood_n sect_n vi_o of_o the_o larynx_n situation_n it_o be_v situation_n the_o upper_a part_n of_o the_o trachea_n arteria_fw-la be_v call_v the_o larynx_n it_o be_v almost_o of_o a_o circular_a figure_n lie_v below_o the_o root_n of_o the_o tongue_n before_o the_o pharynx_n it_o be_v compose_v of_o five_o cartilage_n which_o sometime_o in_o old_a man_n become_v as_o hard_o as_o bone_n scutiformis_fw-la of_o the_o cartilago_n scutiformis_fw-la the_o first_o be_v the_o 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d or_o scutiformis_fw-la because_o of_o its_o figure_n it_o make_v that_o protuberance_n in_o the_o forepart_n of_o the_o larynx_n call_v pomum_fw-la adami_n it_o have_v four_o corner_n it_o be_v about_o a_o inch_n broad_a but_o not_o so_o long_o it_o be_v concave_a within_o and_o convex_v without_o it_o be_v divide_v in_o the_o middle_n by_o a_o line_n from_o its_o upper_a to_o its_o low_a part_n it_o be_v four_o angle_n have_v each_o a_o small_a
side_n of_o the_o twelve_o vertebra_n of_o the_o back_n they_o be_v crooked_a and_o like_a to_o the_o segment_n of_o circle_n they_o grow_v flat_a and_o broad_a as_o they_o approach_v the_o sternum_n but_o the_o further_o they_o be_v from_o it_o and_o the_o near_o they_o be_v to_o the_o vertebra_n they_o be_v the_o round_a and_o thick_a at_o which_o end_n they_o have_v a_o round_a head_n which_o be_v cover_v with_o a_o cartilege_n be_v receive_v into_o the_o sinus_n in_o the_o body_n of_o the_o vertebra_n and_o at_o the_o neck_n of_o each_o head_n except_o the_o two_o last_o rib_n there_o be_v a_o small_a tubercle_fw-la which_o be_v also_o receive_v into_o the_o sinus_n of_o the_o transverse_a process_n of_o these_o same_o vertebra_n the_o internal_a superficies_n of_o the_o rib_n be_v smooth_a than_o the_o external_n they_o have_v each_o a_o small_a canal_n or_o sinus_n which_o run_v along_o their_o under_o side_n in_o which_o lie_v a_o nerve_n vein_n and_o artery_n the_o substance_n of_o the_o rib_n be_v partly_o bony_a partly_o cartilaginous_a which_o facilitate_v their_o motion_n in_o respiration_n at_o their_o cartilaginous_a end_n they_o be_v tie_v to_o the_o sternum_n where_o they_o be_v hard_a in_o woman_n than_o in_o man_n that_o they_o may_v the_o better_o bear_v the_o weight_n of_o their_o dug_n the_o rib_n be_v of_o two_o sort_n the_o seven_o upper_a be_v call_v costae_fw-la verae_fw-la because_o their_o cartilaginous_a end_n be_v receive_v into_o the_o sinus_n of_o the_o sternum_fw-la the_o five_o low_a be_v call_v falsae_fw-la because_o they_o be_v short_a and_o soft_a of_o which_o only_o the_o first_o be_v join_v to_o the_o extremity_n of_o the_o sternum_n the_o cartilaginous_a extremity_n of_o the_o rest_n be_v tie_v to_o one_o another_o thereby_o leave_v great_a space_n for_o the_o dilatation_n of_o the_o stomach_n and_o entrails_n the_o last_o of_o these_o false_a rib_n be_v short_a than_o all_o the_o rest_n it_o be_v not_o tie_v to_o they_o but_o sometime_o to_o the_o midriff_n and_o sometime_o to_o the_o musculus_fw-la obliquus_fw-la descendens_fw-la the_o use_n of_o the_o rib_n be_v to_o contain_v and_o defend_v the_o heart_n and_o lung_n to_o sustain_v the_o muscle_n which_o move_v they_o in_o respiration_n sect_n xi_o of_o the_o breast_n bone_n the_o sternum_fw-la or_o breast_n bone_n be_v situate_v in_o the_o middle_n of_o the_o breast_n sternum_fw-la sternum_fw-la it_o be_v compose_v of_o seven_o or_o eight_o bone_n in_o infant_n which_o at_o first_o be_v cartilaginous_a but_o which_o harden_v and_o unite_v into_o three_o bone_n after_o they_o be_v seven_o year_n old_a the_o substance_n of_o these_o bone_n be_v not_o solid_a but_o somewhat_o spongious_a the_o first_o and_o uppermost_a bone_n be_v the_o big_a and_o large_a it_o be_v uneven_a and_o rough_a on_o its_o outside_n but_o smooth_a on_o its_o inside_n where_o it_o have_v a_o shallow_a furrow_n which_o give_v way_n for_o the_o descent_n of_o the_o wind_n pipe_n it_o have_v a_o sinus_n line_v with_o a_o cartilege_n on_o each_o side_n of_o its_o upper_a end_n wherein_o it_o receive_v the_o head_n of_o the_o claviculae_fw-la the_o second_o be_v long_a and_o narrow_a than_o the_o first_o and_o on_o its_o side_n there_o be_v several_a sinus_n in_o which_o the_o cartilaginous_a end_n of_o the_o rib_n be_v receive_v the_o three_o be_v short_a but_o broad_a than_o the_o second_o it_o receive_v into_o the_o lateral_a sinus_n the_o extremity_n of_o the_o last_o true_a rib_n it_o terminate_v into_o a_o cartilege_n which_o harden_v sometime_o into_o a_o bone_n call_v cartilago_n xiphoide_v or_o ensiformis_fw-la because_o it_o be_v broad_a at_o its_o upper_a end_n where_o it_o join_v the_o three_o bone_n and_o grow_v narrow_a to_o its_o extremity_n where_o it_o be_v sometime_o fork_a and_o sometime_o it_o bend_v inward_o compress_n the_o upper_a orifice_n of_o the_o stomach_n and_o cause_v a_o great_a pain_n and_o vomit_v the_o use_n of_o the_o sternum_n be_v to_o defend_v the_o heart_n and_o to_o receive_v the_o extremity_n of_o the_o true_a rib_n sect_n xii_o of_o the_o claviculae_fw-la and_o scapulae_fw-la the_o claviculae_fw-la or_o channel_n bone_n be_v two_o in_o number_n claviculae_fw-la claviculae_fw-la situate_v at_o the_o basis_n of_o the_o neck_n above_o the_o breast_n one_o on_o each_o side_n they_o be_v pretty_a long_a and_o small_a at_o one_o end_n they_o be_v join_v to_o the_o production_n of_o the_o scapula_n call_v acromion_n by_o the_o articulation_n call_v synchondrosis_n at_o the_o other_o end_n to_o the_o upper_a end_n of_o the_o sternum_n by_o the_o articulation_n call_v arthrodia_n they_o be_v crooked_a like_o a_o italian_a s_n for_o the_o passage_n of_o the_o vessel_n which_o pass_v under_o they_o and_o to_o facilitate_v the_o motion_n of_o the_o arms._n their_o substance_n be_v spongious_a with_o a_o cavity_n in_o their_o middle_n therefore_o they_o be_v the_o more_o easy_o break_v and_o the_o soon_o unite_v when_o break_a their_o use_n be_v to_o uphold_v the_o arm_n to_o keep_v they_o at_o a_o little_a distance_n from_o the_o sternum_fw-la therefore_o beast_n which_o make_v not_o use_v of_o their_o hoof_n as_o hand_n have_v no_o claviculae_fw-la whilst_o ape_n rat_n and_o several_a other_o which_o do_v use_v their_o fore_a leg_n as_o we_o do_v our_o hand_n have_v they_o the_o scapulae_fw-la 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d or_o shoulderblade_n scapulae_fw-la scapulae_fw-la be_v two_o large_a and_o broad_a bone_n like_o the_o triangle_n call_v scalenum_n they_o be_v situate_v on_o each_o side_n of_o the_o upper_a and_o back_o part_n of_o the_o thorax_n their_o substance_n be_v thin_a but_o solid_a and_o firm_a their_o outside_n be_v somewhat_o convex_a and_o their_o inside_n concave_a their_o upper_a edge_n be_v call_v costa_n superior_a and_o their_o low_a costa_n inferior_a their_o broad_a end_n be_v call_v their_o basis_n which_o with_o the_o two_o edge_n make_v the_o upper_a and_o low_a angle_n they_o have_v each_o three_o process_n of_o which_o the_o first_o run_v all_o along_o the_o middle_n of_o their_o outside_n and_o it_o be_v call_v their_o spine_n that_o end_n of_o the_o spine_n which_o receive_v the_o extremity_n of_o the_o clavicula_fw-la be_v call_v acromion_n the_o second_o process_n be_v a_o little_a low_o than_o the_o acromion_n it_o be_v short_a and_o sharp_a like_o a_o crow_n bill_n therefore_o call_v coracoide_n these_o two_o process_n be_v tie_v to_o one_o another_o by_o a_o strong_a ligament_n which_o serve_v to_o keep_v the_o head_n of_o the_o humerus_fw-la in_o the_o cavity_n of_o the_o three_o process_n which_o be_v call_v ceruix_fw-la this_o process_n be_v the_o extremity_n of_o the_o scapula_n which_o be_v opposite_a to_o its_o basis_n it_o have_v a_o pretty_a large_a and_o round_a sinus_n tip_v about_o its_o brim_n with_o a_o cartilege_n which_o make_v it_o the_o deep_a it_o receive_v the_o head_n of_o the_o humerus_fw-la the_o use_n of_o the_o scapula_n be_v to_o receive_v the_o extremity_n of_o the_o clavicula_fw-la and_o humerus_fw-la for_o the_o easy_a motion_n of_o the_o arm_n and_o to_o give_v a_o rise_n to_o the_o muscle_n which_o move_v the_o arm._n sect_n xiii_o of_o the_o bone_n of_o the_o arm_n and_o hand_n humerus_fw-la the_o humerus_fw-la the_o first_o bone_n of_o the_o arm_n be_v the_o humerus_fw-la or_o shoulder_n bone_n it_o be_v long_a and_o round_o its_o substance_n or_o fibres_n be_v pretty_a solid_a and_o compact_a it_o have_v a_o pretty_a wide_a and_o long_a cavity_n in_o its_o middle_n in_o which_o be_v contain_v its_o marrow_n at_o its_o upper_a end_n it_o have_v a_o round_a head_n cover_v with_o a_o cartilege_n which_o be_v receive_v into_o the_o cavity_n of_o the_o neck_n of_o the_o scapula_n but_o because_o this_o head_n be_v much_o large_a than_o the_o cavity_n therefore_o it_o be_v surround_v with_o a_o strong_a ligament_n which_o rise_v from_o the_o edge_n of_o the_o cavity_n of_o the_o scapula_n at_o its_o low_a end_n it_o have_v two_o protuberance_n the_o one_o external_n which_o receive_v the_o extremity_n of_o the_o radius_fw-la the_o other_o internal_a which_o be_v receive_v into_o the_o semicircular_a sinus_n of_o the_o vlna_fw-la on_o the_o foreside_n of_o this_o protuberance_n there_o be_v a_o small_a sinus_n which_o receive_v the_o fore_a process_n of_o the_o vlna_fw-la and_o on_o the_o backside_n there_o be_v another_o large_a sinus_n which_o receive_v the_o olecranium_n there_o be_v another_o small_a protuberance_n on_o the_o side_n of_o this_o from_o which_o the_o muscle_n that_o lie_v on_o the_o inside_n of_o the_o arm_n arise_v the_o vlna_fw-la or_o cubitus_fw-la ulna_fw-la ulna_fw-la be_v a_o long_a and_o solid_a bone_n with_o a_o cavity_n in_o its_o middle_n it_o lie_v on_o the_o inside_n of_o the_o fore_n arm_v reach_v from_o the_o elbow_n to_o the_o wrist_n it_o
line_n this_o coat_n be_v loose_a and_o stretch_v very_o easy_o it_o be_v not_o close_o tie_v to_o the_o rest_n the_o second_o be_v a_o web_n of_o small_a vessel_n in_o form_n of_o a_o net_n it_o furnish_v the_o necessary_a nourishment_n to_o the_o rest_n of_o the_o coat_n the_o three_o be_v make_v of_o little_a gland_n which_o separate_v the_o serosity_n of_o the_o blood_n bring_v by_o the_o vessel_n of_o the_o second_o coat_n the_o four_o be_v compose_v of_o muscular_a and_o spiral_n fibres_n who_o part_n successive_o contract_v hasten_v the_o circulation_n of_o the_o blood_n the_o only_a reason_n why_o the_o vein_n do_v not_o beat_v as_o the_o artery_n do_v be_v because_o the_o blood_n in_o the_o vein_n run_v from_o a_o narrow_a channel_n into_o a_o broad_a whereas_o in_o the_o artery_n it_o run_v from_o a_o wide_a vessel_n to_o a_o narrow_a one_o author_n do_v not_o agree_v about_o the_o origination_n of_o the_o vein_n some_o say_v that_o it_o be_v in_o the_o heart_n and_o some_o other_o will_v have_v they_o to_o rise_v out_o of_o the_o liver_n other_o think_v that_o they_o come_v from_o all_o the_o part_n of_o the_o body_n by_o their_o little_a branch_n which_o be_v distribute_v through_o it_o where_o they_o say_v they_o have_v their_o beginning_n as_o so_o many_o root_n which_o join_v to_o make_v a_o trunk_n or_o as_o little_a brook_n that_o produce_v a_o river_n but_o they_o have_v just_a thought_n who_o think_v that_o they_o have_v no_o origination_n at_o all_o no_o more_o than_o all_o the_o other_o part_n of_o the_o body_n which_o be_v all_o form_v in_o the_o cicatriâ—â—lâ—_fw-la of_o the_o egg_n where_o they_o only_o grow_v and_o be_v insensible_o disclose_v the_o branch_n of_o the_o vein_n in_o proportion_n as_o they_o recede_v from_o their_o trunk_n they_o divide_v into_o a_o infinity_n of_o little_a capillary_a branch_n which_o at_o last_o be_v imperceptible_a these_o capillary_a branch_n be_v spread_v through_o all_o the_o viscera_n in_o the_o membrane_n and_o through_o all_o the_o fibre_n of_o the_o muscle_n to_o receive_v the_o blood_n which_o be_v bring_v there_o by_o the_o artery_n the_o extremity_n of_o the_o vein_n unite_v to_o all_o the_o extremity_n of_o the_o artery_n but_o because_o there_o be_v more_o capillary_a vein_n than_o artery_n the_o vein_n unite_v with_o one_o another_o and_o so_o likewise_o do_v the_o artery_n that_o if_o one_o branch_n be_v stop_v the_o blood_n may_v have_v a_o passage_n by_o another_o these_o union_n author_n call_v anastomosis_n the_o vein_n have_v in_o their_o cavity_n little_a membrane_n or_o valve_n dispose_v at_o certain_a distance_n in_o such_o a_o manner_n that_o they_o open_v towards_o the_o heart_n and_o they_o shut_v towards_o the_o extremity_n of_o the_o body_n to_o hinder_v the_o blood_n to_o return_v and_o to_o sustain_v it_o that_o by_o its_o weight_n it_o fall_v not_o back_o again_o there_o be_v more_o valve_n in_o the_o vein_n of_o the_o thigh_n leg_n foot_n and_o of_o the_o arm_n and_o hand_n than_o in_o the_o other_o part_n of_o the_o body_n there_o be_v none_o in_o the_o vena_fw-la porta_n the_o emulgent_a vein_n nor_o in_o the_o vena_fw-la pulmonaria_fw-la the_o open_n of_o the_o valve_n be_v dispose_v alternative_o to_o the_o end_n that_o the_o blood_n which_o escape_v or_o fall_v back_o from_o one_o may_v be_v stop_v by_o the_o next_o their_o figure_n be_v almost_o like_o a_o half-moon_n their_o substance_n be_v membranous_a fine_a and_o strong_a their_o number_n be_v uncertain_a the_o use_n of_o the_o vein_n be_v to_o bring_v the_o blood_n back_o again_o to_o the_o heart_n from_o all_o the_o part_n of_o the_o body_n sect_n v._o of_o the_o vena_fw-la porta_n all_o the_o vein_n rise_v from_o two_o principal_a trunk_n viz._n the_o porta_n and_o the_o cava_fw-la except_o that_o of_o the_o lung_n which_o be_v a_o particular_a vein_n and_o separate_v from_o the_o rest_n the_o vena_fw-la porta_n be_v so_o call_v by_o the_o ancient_n because_o they_o think_v that_o it_o bring_v the_o chyle_n by_o its_o meseraick_n branch_n from_o the_o intestine_n to_o the_o liver_n through_o who_o substance_n it_o be_v spread_v as_o be_v say_v in_o the_o section_n of_o the_o liver_n it_o rise_v out_o of_o the_o liver_n it_o send_v out_o two_o small_a vein_n to_o the_o vesica_fw-la fellis_fw-la call_v cysticae_fw-la gemellae_fw-la one_o to_o the_o stomach_n call_v gastrica_fw-la dextra_fw-la then_o advance_v a_o little_a to_o the_o left_a its_o trunk_n divide_v into_o two_o branch_n of_o which_o the_o least_o call_v ramus_n splenicus_fw-la go_v to_o the_o left_a hypochondrium_n and_o the_o great_a call_v mesenterica_fw-la go_v to_o the_o right_n the_o ramus_fw-la splenicus_fw-la so_o call_v because_o it_o carry_v the_o blood_n from_o the_o spleen_n send_v out_o from_o its_o trunk_n two_o branch_n call_v gastrica_fw-la minor_n &_o maâ—â—â—_n which_o be_v spread_v through_o all_o the_o stomach_n a_o branch_n of_o the_o gastrica_fw-la major_n make_v the_o coronariae_fw-la stomachicae_fw-la at_o the_o upper_a orifice_n of_o the_o stomach_n it_o give_v three_o branch_n more_o two_o to_o the_o omentum_fw-la and_o colon_n and_o the_o three_o to_o the_o pancreas_n then_o the_o splenicus_fw-la divide_v into_o two_o branch_n the_o one_o superior_a the_o other_o inferior_a the_o superior_a send_v out_o the_o vas_n breve_fw-la and_o some_o other_o branch_n which_o go_v to_o the_o spleen_n the_o inferior_a give_v two_o branch_n viz._n the_o epiplois_fw-fr sinistra_fw-la which_o be_v spread_v through_o the_o back_n part_n of_o the_o omentum_fw-la and_o that_o part_v of_o the_o colon_n which_o be_v under_o the_o stomach_n the_o other_o branch_n be_v the_o gastroepiplois_a sinistra_fw-la which_o be_v also_o spread_v upon_o the_o omentum_fw-la and_o upon_o the_o stomach_n it_o make_v sometime_o the_o vena_fw-la haemorrhoidalis_fw-la interna_fw-la the_o rest_n of_o this_o inferior_a branch_n enter_v the_o substance_n of_o the_o spleen_n the_o right_a branch_n of_o the_o porta_n call_v vena_fw-la mesenterica_fw-la before_o it_o divide_v send_v out_o the_o gastrâ—-epiplois_a dextra_fw-la which_o be_v spread_v in_o the_o omentum_fw-la and_o low_a part_n of_o the_o stomach_n it_o send_v out_o also_o the_o intestinalis_fw-la which_o go_v to_o the_o duodenum_fw-la and_o to_o the_o jejunum_n it_o give_v some_o branch_n to_o the_o omentum_fw-la and_o pancreas_n then_o the_o mesenterica_fw-la divide_v into_o three_o great_a branch_n which_o run_v betwixt_o the_o duplicature_n of_o the_o mesenterium_fw-la two_o of_o they_o go_v towards_o the_o right_a side_n which_o divide_v into_o fourteen_o branch_n and_o these_o be_v again_o divide_v into_o a_o infinity_n of_o other_o less_o which_o be_v call_v meseraicae_n they_o creep_v upon_o the_o jejunum_n ilium_n caecum_fw-la and_o part_n of_o the_o colon._n the_o last_o and_o three_o branch_n of_o the_o vena_fw-la mesenterica_fw-la be_v spread_v through_o the_o middle_n of_o the_o mesenterium_fw-la to_o that_o part_n of_o the_o colon_n which_o be_v on_o the_o left_a side_n to_o the_o rectum_fw-la down_o to_o the_o anus_fw-la where_o it_o form_v the_o haemorrhoidales_n internae_fw-la the_o use_n of_o this_o vein_n be_v to_o bring_v back_o to_o the_o liver_n the_o blood_n which_o be_v bring_v by_o the_o artery_n to_o these_o several_a part_n sect_n vi_o of_o the_o trunk_n of_o the_o cava_fw-la ascendens_fw-la all_o the_o little_a capillary_a branch_n of_o the_o vena_fw-la cava_fw-la which_o be_v spread_v through_o the_o substance_n of_o the_o liver_n unite_v by_o little_a and_o little_a into_o other_o which_o grow_v big_a and_o as_o they_o approach_v the_o convex_a side_n of_o the_o liver_n where_o they_o join_v all_o together_o and_o make_v up_o one_o large_a trunk_n which_o come_v out_o of_o the_o liver_n and_o divide_v into_o two_o great_a big_a branch_n one_o of_o which_o go_v towards_o the_o heart_n and_o form_n the_o trunk_n call_v ascendens_fw-la the_o other_o go_v downward_o and_o be_v call_v descendens_fw-la both_o the_o one_o and_o the_o other_o lie_n upon_o the_o body_n of_o the_o vertebra_n on_o the_o right_a side_n of_o the_o porta_n the_o vena_fw-la cava_fw-la ascendens_fw-la go_v to_o the_o claviculae_fw-la before_o it_o divide_v but_o as_o it_o ascend_v to_o they_o it_o cast_v out_o three_o branch_n on_o each_o side_n the_o phrenica_fw-la or_o diaphragmatica_fw-la the_o coronaria_fw-la and_o the_o intercostalis_fw-la superior_n beside_o these_o three_o it_o send_v out_o the_o 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d 〈◊〉_d or_o vena_fw-la sine_fw-la pari_fw-la on_o the_o right_a side_n only_o the_o phrenica_fw-la come_v from_o the_o cava_fw-la where_o it_o pierce_v the_o diaphragma_n upon_o which_o it_o be_v spread_v it_o cast_v some_o branch_n to_o the_o pericardium_n and_o mediastinum_fw-la some_o author_n think_v that_o it_o be_v by_o this_o vein_n that_o the_o pus_fw-la of_o a_o empiema_n be_v carry_v to_o the_o kidney_n and_o bladder_n