Sphincter of Oddi: Definition from Answers.com

Sphincter of Oddi

Interior of the descending portion of the duodenum, showing bile papilla.
MeSH	Oddi's+Sphincter

The Sphincter of Oddi is a muscular valve that controls the flow of digestive juices (bile and pancreatic juice) through the ampulla of Vater into the second part of the duodenum. It is named after Ruggero Oddi.^[1] The Sphincter of Oddi is relaxed by the hormone Cholecystokinin (CCK) via vasoactive intestinal polypeptide (VIP).^[2]

Clinical significance

Main article: Sphincter of Oddi dysfunction

References

^ synd/2709 at Who Named It?
^ J Clin Invest. 1988 June; 81(6): 1920–1924.

Gray's Anatomy, 39th ed. p. 1228.

External links

Anatomy of torso, digestive system: accessory digestive glands (TA A05.8-9, GA 11.1188)

Liver

by region: Left lobe (Caudate lobe, Quadrate lobe) • Right lobe • Transverse fissure of liver • Bare area of the liver
by function: Fibrous capsule of Glisson • Hepatocyte • Space of Disse • Space of Mall • Kupffer cell • Liver sinusoid • Hepatic stellate cell • Hepatic lobule

Biliary tract

Bile ducts	intrahepatic: Bile canaliculus • Canals of Hering • Interlobular bile ducts • Intrahepatic bile ducts • Left and Right hepatic ducts extrahepatic: Common hepatic duct • Cystic duct • Common bile duct

Gallbladder	by region: Body • Fundus • Neck

Pancreas

by region: Tail • Body • Neck • Head • Uncinate process

by function: Islets of Langerhans • Exocrine pancreas

ducts: Pancreatic duct • Accessory pancreatic duct

Common

Hepatopancreatic ampulla • Sphincter of Oddi

digestive system navs: anat of tract,glands,perit/layers/physio/dev, noncongen/congen/congen of d+w/neoplasia, symptoms+signs/eponymous, proc

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