Medication Guide App
Medical Term:

sphincter of (common) bile duct


Definition: smooth muscle sphincter of the common bile duct immediately proximal to the hepatopancreatic ampulla and organized into a superior and inferior sphincter; it is this sphincter that controls the flow of bile into the duodenum.

Synonym(s): musculus sphincter ductus choledochiTA, musculus sphincter ductus biliaris, Boyden sphincter, choledochal sphincter, sphincter muscle of common bile duct