Boyden, Edward A. Department of Biological Structure, School of Medicine, University of Washington, Seattle, Washington.
Gilloteaux, Jacques Summa Health Foundation, Akron, Ohio.
Last reviewed:January 2020
- Extrahepatic biliary tract
- Absence of gallbladder
- Development of extrahepatic biliary tract
- Choledochoduodenal junction
- Microscopic structure
- Comparative physiology
- Functions in different species
- Related Primary Literature
- Additional Reading
A hollow muscular organ, present in humans and most vertebrates, which receives dilute bile from the liver, concentrates it, and discharges it into the duodenum. It also participates in the enterohepatic (re)circulation of bile, and in secretion and removal of conjugated xenobiotics, including radiopaque substances taken orally or intravenously. Although not a vital organ, it stores bile, regulates biliary tract pressures, and, when diseased, enhances precipitation of various constituents of the bile as gallstones.
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