- Sphincter of ampulla
sphincter of ampulla Interior of the descending portion of the duodenum, showing bile papilla. Latin m. sphincter ampullae MeSH Oddi's+Sphincter Code TA A05.8.02.018
The sphincter of ampulla or sphincter of Oddi is a muscular valve that controls the flow of digestive juices (bile and pancreatic juice) through the ampulla of Vater into the second part of the duodenum. It is named after Ruggero Oddi. The sphincter of Oddi is relaxed by the hormone Cholecystokinin (CCK) via vasoactive intestinal polypeptide (VIP).
Clinical significanceMain article: sphincter of Oddi dysfunction
- Gray's Anatomy, 39th ed. p. 1228.
Great In Depth Article On The Sphincter of Oddi Function: http://www.saudijgastro.com/article.asp?issn=1319-3767;year=2000;volume=6;issue=3;spage=129;epage=146;aulast=BallalCategories:
- Digestive system
- Digestive system stubs
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