The laws and mechanics of circulation, with the principle involved in animal movement . Eijr. 183.—Showing Mode of Termination of the Great Venous Trunks in DifferentStages in Development, viewed from behind.—Gegenbaur. I, Reptile (Python) ; II,Bird (Larcorhamphus) ; III, Marsupial (Halmaturus) ; IV, Pig ; i, Vena cava inferior;s, vena cava superior sinistra ; d, vena cava superior dextra ; ap, pulmonary artery;si; sinus Pig. 1S4.—Showing the Different Stages in Development of the Proximal ArterialVessels in Embryological Evolution.— Carpenter. 1, Truncus arteriosus with onepair of a
The laws and mechanics of circulation, with the principle involved in animal movement . Eijr. 183.—Showing Mode of Termination of the Great Venous Trunks in DifferentStages in Development, viewed from behind.—Gegenbaur. I, Reptile (Python) ; II,Bird (Larcorhamphus) ; III, Marsupial (Halmaturus) ; IV, Pig ; i, Vena cava inferior;s, vena cava superior sinistra ; d, vena cava superior dextra ; ap, pulmonary artery;si; sinus Pig. 1S4.—Showing the Different Stages in Development of the Proximal ArterialVessels in Embryological Evolution.— Carpenter. 1, Truncus arteriosus with onepair of aortic arches, and dotted outlines indicating the future position of the secondand third pairs ; 2, truncus arteriosus with four pairs of aortic arches and indica-tions of the fifth ; 3, truncus arteriosus with the three posterior pairs of aorticarches, from which the permanent vessels of the embryo are developed, with dottedoutlines showing the position of the two (now) obliterated anterior arches ; 4, per-manent arterial trunks in their primitive form, the obliterated portions still shownin dotted outline ; 1-5, primitive aortic arches ; ta, truncus arteriosus ; a, aorta ;p, pulmonary artery ; p, p, branches to the lungs ; aw, root of thoracic aorta (ad)on left side ; aw, obliterated root springing from right side ; s, s, subclavianartery ; v, vertebral; ax, axillary ; c, common carotid ; c, external carotid ; c,inter
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Keywords: ., bookcentury1800, bookde, booksubjectblood, booksubjectrespiration
