Archive image from page 198 of The development of the chick;. The development of the chick; an introduction to embryology . developmentofchi00lill Year: 1908 Fig. 103. — Reconstructions of the liver diverticula of the chick. (After Hammar.) A. On the third day of incubation; from the left side; the divertic- ula arise from the anterior intestinal portal. B. Beginning of the fourth day; from the left side. a. i. p., Anterior intestinal portal. D. V., Indicates position of ductus venosus. g. b., Gall bladder. 1. d. d. (cr.)., Dorsal or cra- nial liver diverticulum. 1. d. v. (caud.), Ventral or
Archive image from page 198 of The development of the chick;. The development of the chick; an introduction to embryology . developmentofchi00lill Year: 1908 Fig. 103. — Reconstructions of the liver diverticula of the chick. (After Hammar.) A. On the third day of incubation; from the left side; the divertic- ula arise from the anterior intestinal portal. B. Beginning of the fourth day; from the left side. a. i. p., Anterior intestinal portal. D. V., Indicates position of ductus venosus. g. b., Gall bladder. 1. d. d. (cr.)., Dorsal or cra- nial liver diverticulum. 1. d. v. (caud.), Ventral or caudal liver diverticulum, pc. d., Dorsal pancreas. X., Marks the depression in the floor of the duodenum from which the common bile duct is formed. CEsophagus and Stomach. Immediately behind the pharynx, at the stage of 36 s, the intestine narrows suddenly (primordium of oesophagus) and enters a small, spindle-shaped enlargement, the primordium of the stomach (Figs. 87, 88, 100). The liver arises in the chick as two diverticula of the entoderm of the anterior intestinal portal, one situated immediately above and the other below the posterior end of the ductus venosus, or fork of the omphalomesenteric veins (Fig. 103 A). This portion
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