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Question

In humans, sphincter of oddi is associated with the opening of

A
Hepatopancreatic ampulla
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B
Pyloric stomach
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C
Oesophagus
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D
Common hepatic duct
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Solution

The correct option is B Hepatopancreatic ampulla
The right and left hepatic ducts join to form the hepatic duct the letters join the cystic duct which arises from the gallbladder. The cystic duct and common hepatic duct joints to form bile duct which passes downward posteriorly to join the main pancreatic duct to form the hepatopancreatic ampulla (ampulla of vater). The ampulla opens into the duodenum. The opening is guarded by the sphincter of Oddi.
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