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Gallbladder

Embryology


Reviewer: Hanni Gulwani, M.D. (see Reviewers page)
Revised: 10 February 2013, last major update September 2012
Copyright: (c) 2003-2013, PathologyOutlines.com, Inc.

General
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● Develops with bile duct and liver during week 4 as ventral bud (hepatic diverticulum) from caudal foregut (Dig Surg 2010;27:87)
● Hepatic diverticulum has two components: pars hepatica and pars cystica
● Parts hepatica gives rise to liver, common hepatic duct and intrahepatic bile ducts
● Pars cystica gives rise to cystic diverticulum, which gives rise to gallbladder and cystic duct
● Hepatic diverticulum elongates to form common bile duct
● Above structures begin as solid cords, but at 8 weeks have lumina

Drawings
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Various images

End of Gallbladder > Embryology


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