sphincter of common bile duct

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sphinc·ter of com·mon bile duct

(sfingk'tĕr kom'ŏn bīl dŭkt)
Smooth muscle sphincter of the common bile duct immediately proximal to the hepatopancreatic ampulla; it is this sphincter that controls the flow of bile into the duodenum.
Synonym(s): musculus sphincter ductus choledochi [TA] .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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