. The development of the chick; an introduction to embryology . Fig. 103. — of the liver diverticula of the chick.(After Hamniar.) 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 ofductus venosus. g. b., Gall bladder. 1. d. d. (cr.)., Dorsal or cra-nial liver diverticulimi. 1. d. v. (caud.), \entral or caudal liverdiverticulum, pc. d., Dorsal pancreas. X., Marks the depression inthe floor of the
. The development of the chick; an introduction to embryology . Fig. 103. — of the liver diverticula of the chick.(After Hamniar.) 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 ofductus venosus. g. b., Gall bladder. 1. d. d. (cr.)., Dorsal or cra-nial liver diverticulimi. 1. d. v. (caud.), \entral or caudal liverdiverticulum, pc. d., Dorsal pancreas. X., Marks the depression inthe floor of the duodenum from which the conunon bile duct isformed. CEsophagus and Stomach. Immediately l)ehind the jihaiynx,at the stage of 36 s, the intestine narrows suddenly (primordiumof oesophagtis) 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 entodermof the anterior intestinal portal, one situated immediately aboveand the other below the posterior end of the
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