Opening of the common hepato-pancreatic duct is guarded by a structure known as

Pyloric sphinecter

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Sphincter of Oddi

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Ileao caeeal valve

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Osesophageal shpenecter

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Solution

The correct option is D Sphincter of Oddi
A. The pyloric sphincter is found between the duodenum and the posterior stomach.
B. Sphincter of Oddi is the opening of the hepato-pancreatic duct into the duodenum.
C. Ileo-caecal valve is present between ileum of small intestine and caecum of the large intestine.
D. The oesophageal sphincter, also known as a cardiac orifice, is the opening of the oesophagus into the stomach.
Hence, the opening of the common hepato-pancreatic duct is guarded by Sphincter of Oddi.
So, the correct answer is 'Sphincter of Oddi'.

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Similar questions

	Column I		Column II
A.	Sphincter of ani internus	(i)	Opening of hepato-pancreatic duct into duodenum
B.	Cardiac sphincter	(ii)	Between duodenum and posterior stomach
C.	Sphincter of Oddi	(iii)	Guarding the terminal part of alimentary canal
D.	Ileocaecal sphincter	(iv)	Between oesophagus and anterior stomach
E.	Pyloric sphincter	(v)	Between small intestine and bowel

Hepato-pancreatic duct opens into the duodenum and carries
(a) bile (b) pancreatic juice
(c) both bile and pancreatic juice (d) saliva

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