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Sphincter of Oddi dysfunction refers to a disorder of the sphincter in your upper intestine. A sphincter is any muscle in your body that controls an opening and closing.
The sphincter of Oddi controls the flow of bile and pancreatic juice from the pancreas into the small intestine. It also prevents bowel contents from backing up into the pancreatic and bile ducts.
Read a more in-depth article about sphincter of Oddi dysfunction, written by Johns Hopkins gastroenterologists, which details the anatomical description of the causes of sphincter of Oddi dysfunction.
Read our FAQs about sphincter of Oddi dysfunction.
Sphincter of Oddi manometry is the gold standard for diagnosing sphincter of Oddi dysfunction.Learn more about this procedure.
Find out about sphincter of Oddi dysfunction (SOD) including symptoms, diagnosis and treatment.Listen to the podcast.
Chief of the Division of Gastroenteorlogy & Hepatology, Dr. Tony Kalloo, answers questions about sphincter of Oddi, how it is diagnosed and how it can be treated.