Oddi sphincter

sphinc·ter of he·pa·to·pan·cre·at·ic am·pul·la

[TA] the smooth muscle sphincter of the hepatopancreatic ampulla within the major duodenal papilla. Synonym(s): musculus sphincter ampullae hepatopancreaticae [TA], musculus sphincter ampullae biliaropancreaticae ☆ , musculus sphincter ampullae ☆ , sphincter of ampulla ☆ , sphincter of biliaropancreatic ampulla ☆ , Glisson sphincter, hepatopancreatic sphincter, Oddi sphincter