The hepatic diverticulum arises from the foregut, and from it the gallbladder and the extrahepatic biliary ducts develop. At first the gallbladder lies in the ventral mesentery; at the 2nd month it becomes embedded in hepatic tissue; and at a later date it assumes its superficial position. The lumina of the gall-bladder and also of the ducts is occluded by an epithelial proliferation during the 2nd month. Occasionally, the bud for the gallbladder divides, giving rise to a double or bifid organ.
KeywordsBile Duct Hepatic Artery Cystic Duct Hepatic Duct Common Duct
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