Ampulla of Vater | |
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![]() A diagram of the biliary system. Note that the ampulla of Vater is behind the major duodenal papilla. | |
![]() The major duodenal papilla, seen on duodenoscopy at the time of ERCP. This is the protrusion of the ampulla of Vater into the duodenum. | |
Details | |
Identifiers | |
Latin | ampulla hepatopancreatica, ampulla Vaterii |
MeSH | D014670 |
TA98 | A05.8.02.017 |
TA2 | 3111 |
FMA | 15076 |
Anatomical terminology |
The ampulla of Vater, hepatopancreatic ampulla or hepatopancreatic duct is the common duct that is usually formed by a union of the common bile duct and the pancreatic duct within the wall of the duodenum. This common duct usually features a dilation ("ampulla"). The common duct then opens medially into the descending part of the duodenum at the major duodenal papilla. The common duct usually measures 2-10mm in length.[1]
The ampulla of Vater is an important landmark halfway along the second part of the duodenum marking the transition from foregut to midgut.[citation needed]
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