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The sphincter of Oddi (also hepatopancreatic sphincter or Glisson's sphincter), abbreviated as SO, [1] is a muscular valve that in some animals, including humans, controls the flow of bile and pancreatic juice out of the gallbladder and pancreas respectively through the ampulla of Vater into the second part of the duodenum.
Sphincter of Oddi dysfunction refers to a group of functional disorders leading to abdominal pain due to dysfunction of the Sphincter of Oddi: functional biliary sphincter of Oddi and functional pancreatic sphincter of Oddi disorder. The sphincter of Oddi is a sphincter muscle, a circular band of muscle at the bottom of the biliary tree which ...
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.
Treatment of sphincter of Oddi dysfunction: this is a diagnosis of exclusion which encompasses a broad spectrum of hepatobiliary disorders including spasms, strictures, or inappropriate relaxation. Sphincterotomy appears to be safe and effective for the treatment of sphincter of Oddi dysfunction.
Papillary stenosis is a disturbance of the sphincter of Oddi, a muscular valve, that prevents the opening and release of bile or pancreatic fluids into the duodenum in response to food entering the duodenum. Obstruction of the valve can cause: pancreatic pain; jaundice – bile leaking back into the blood stream. attacks of pancreatitis
Ruggero Oddi (July 20, 1864 – March 22, 1913) was an Italian physiologist and anatomist who was a native of Perugia. He is most well known for the Sphincter of Oddi , which was named after him. [ 1 ]
The ileocecal sphincter at the junction of the small intestine (ileum) and the large intestine, which functions to limit the reflux of colonic contents back into the ileum. The sphincter of Oddi, or Glisson's sphincter, controlling secretions from the liver, pancreas and gall bladder into the duodenum.
The pain associated with postcholecystectomy syndrome is usually ascribed to either sphincter of Oddi dysfunction or to post-surgical adhesions. [4] A recent 2008 study shows that postcholecystectomy syndrome can be caused by biliary microlithiasis. [5]