Ampulla of Vater

**Semantic type:** Body Part, Organ, or Organ Component

**Definition:** The junction of the common bile and main pancreatic ducts, which protrudes into the medial aspect of the descending duodenum at the major duodenal papilla. The flow of bile and pancreatic juices into the duodenum through the Ampulla of Vater is controlled by the sphincter of Oddi.

**Synonyms:** - AMPULLA OF VATER - Ampulla - Ampulla Of Vater - Hepatopancreatic Ampulla - Vater's Ampulla - Vater's ampulla - ampulla biliaropancreatica - ampulla of Vater - ampulla of Vater - ampulla of bile duct - biliaropancreatic ampulla - hepatopancreatic ampulla - papilla Vateri