Question

The structure which prevents the backflow of fecal matter is known as

• A. Gastro oesophageal
• B. Pyloric sphinecter
• C. Shpinecter of Oddi
• D. Ileao caeeal valve

Answer 1

Answer: (D)

Ileao caeeal valve

A. Gastro-oesophageal sphincter is found between the oesophagus and stomach.

B. Pyloric sphincter is found between duodenum and posterior stomach.

C. Sphincter of Oddi is the opening of hepatopancreatic duct into duodenum.

D. Ileo-caecal valve is present between ileum of small intestine and caecum of large intestine. It prevents the backflow of fecal matter from large intestine to small intestine.

So, the correct answer is 'Ileo caecal valve'.