![Anatomy, descriptive and applied. Anatomy. 1246 THE OB&ANS OF DIGESTION cavity left outside the embryo, the extra-embryonic coelom, envelops the vitelline or yolk sac.. -Diagram of a longitudinal section of a Anatomy, descriptive and applied. Anatomy. 1246 THE OB&ANS OF DIGESTION cavity left outside the embryo, the extra-embryonic coelom, envelops the vitelline or yolk sac.. -Diagram of a longitudinal section of a](https://c8.alamy.com/comp/RN5HAH/anatomy-descriptive-and-applied-anatomy-1246-the-obampans-of-digestion-cavity-left-outside-the-embryo-the-extra-embryonic-coelom-envelops-the-vitelline-or-yolk-sac-diagram-of-a-longitudinal-section-of-a-bryo-very-early-after-quain-the-relatively-slow-growth-of-the-margin-of-the-embryonic-area-and-the-relati-ely-rapid-growth-of-the-axial-parts-soon-come-to-form-a-ring-of-constriction-between-the-embryo-and-the-yolk-sac-and-a-part-of-the-latterthat-is-a-part-of-its-splanch-nopleural-wall-and-part-of-the-cavitybecomes-enclosed-within-the-embryo-to-form-the-primitive-alim-RN5HAH.jpg)
Anatomy, descriptive and applied. Anatomy. 1246 THE OB&ANS OF DIGESTION cavity left outside the embryo, the extra-embryonic coelom, envelops the vitelline or yolk sac.. -Diagram of a longitudinal section of a
![Comparative anatomy. Anatomy, Comparative. allantoic cavity allantois serosa shell sero-amniotic cavity yolk-sac. albumen vitelline membrane belly stalk Fig. 86.—Diagrams showing the extra-embryonic membranes of the chick. The diagrams represent ... Comparative anatomy. Anatomy, Comparative. allantoic cavity allantois serosa shell sero-amniotic cavity yolk-sac. albumen vitelline membrane belly stalk Fig. 86.—Diagrams showing the extra-embryonic membranes of the chick. The diagrams represent ...](https://c8.alamy.com/comp/REFFWK/comparative-anatomy-anatomy-comparative-allantoic-cavity-allantois-serosa-shell-sero-amniotic-cavity-yolk-sac-albumen-vitelline-membrane-belly-stalk-fig-86diagrams-showing-the-extra-embryonic-membranes-of-the-chick-the-diagrams-represent-longitudinal-sections-of-the-entire-egg-the-body-of-the-embryo-being-cut-transversely-c-embryo-of-about-five-days-incubation-d-embryo-of-about-fourteen-days-incubation-from-patten-embryology-of-the-chick-after-duval-with-the-chorion-in-the-apposed-mesodermal-layers-of-the-allantois-and-chorion-is-developed-a-rich-network-of-fine-blood-ves-REFFWK.jpg)
Comparative anatomy. Anatomy, Comparative. allantoic cavity allantois serosa shell sero-amniotic cavity yolk-sac. albumen vitelline membrane belly stalk Fig. 86.—Diagrams showing the extra-embryonic membranes of the chick. The diagrams represent ...
![The development of the chick; an introduction to embryology. Birds -- Embryology. Fig. 135. — Circulation in the embryo and yolk-sac after 74 hours' incuba- tion. Stage of about 27 s The development of the chick; an introduction to embryology. Birds -- Embryology. Fig. 135. — Circulation in the embryo and yolk-sac after 74 hours' incuba- tion. Stage of about 27 s](https://c8.alamy.com/comp/PFA7X6/the-development-of-the-chick-an-introduction-to-embryology-birds-embryology-fig-135-circulation-in-the-embryo-and-yolk-sac-after-74-hours-incuba-tion-stage-of-about-27-s-from-below-injected-after-popoff-1-marginal-vein-2-r-21-right-and-left-anterior-vitelline-veins-sur-rounding-the-mesoderm-free-area-3-anterior-intestinal-portal-4-in-termediate-veins-connecting-with-the-venous-network-centrally-5-right-dorsal-aorta-6-posterior-vitelline-vein-in-process-of-formation-vitel-line-arteries-note-that-the-right-anterior-vitelline-vein-2-r-is-much-atrophied-pl-PFA7X6.jpg)
The development of the chick; an introduction to embryology. Birds -- Embryology. Fig. 135. — Circulation in the embryo and yolk-sac after 74 hours' incuba- tion. Stage of about 27 s
![Embryology. Embryology; Embryology; genealogy. 182 EMBRYOLOGY embryo from the yolk sac by means of the vitelline veins drains directly into the ductus venosus. With development of the liver around the ductus Embryology. Embryology; Embryology; genealogy. 182 EMBRYOLOGY embryo from the yolk sac by means of the vitelline veins drains directly into the ductus venosus. With development of the liver around the ductus](https://c8.alamy.com/comp/RC7PTT/embryology-embryology-embryology-genealogy-182-embryology-embryo-from-the-yolk-sac-by-means-of-the-vitelline-veins-drains-directly-into-the-ductus-venosus-with-development-of-the-liver-around-the-ductus-venosus-the-union-between-the-vitelline-vein-and-the-ductus-venosus-becomes-more-and-more-constricted-and-other-branches-form-within-the-tissue-of-the-liver-finally-the-blood-from-the-vitelline-vein-empties-directly-into-the-spaces-in-the-liver-and-is-picked-up-by-the-hepatic-veins-this-type-of-circulation-is-termed-a-hepatic-portal-circulation-the-tissues-of-the-liver-actually-trans-RC7PTT.jpg)
Embryology. Embryology; Embryology; genealogy. 182 EMBRYOLOGY embryo from the yolk sac by means of the vitelline veins drains directly into the ductus venosus. With development of the liver around the ductus
![Chordate morphology. Morphology (Animals); Chordata. mesoderm trophoderm. amnion (and mesoderm) trophoderm and mesoderm (chorion) yolk sac (and mesoderm) vitelline vein extraembryonic coelom vitelline artery terminal sinus (arterial) marks limit of ... Chordate morphology. Morphology (Animals); Chordata. mesoderm trophoderm. amnion (and mesoderm) trophoderm and mesoderm (chorion) yolk sac (and mesoderm) vitelline vein extraembryonic coelom vitelline artery terminal sinus (arterial) marks limit of ...](https://c8.alamy.com/comp/RJ7014/chordate-morphology-morphology-animals-chordata-mesoderm-trophoderm-amnion-and-mesoderm-trophoderm-and-mesoderm-chorion-yolk-sac-and-mesoderm-vitelline-vein-extraembryonic-coelom-vitelline-artery-terminal-sinus-arterial-marks-limit-of-mesoderm-left-allantoic-artery-left-allantoic-vein-mesoderm-free-yolk-sac-figure-7-18-yolk-sac-placenta-enclosing-allantoic-vesicle-of-the-opossum-a-and-details-of-the-membranes-of-the-placenta-b-after-de-lange-the-vitelline-arteries-unite-and-the-single-vessel-passes-down-the-posterior-surface-of-the-yolk-sac-neck-then-below-the-allanto-RJ7014.jpg)