Question

The opening of the stomach in duodenum is regulated by

• A. Sphineter of Oddi
• B. Pyloric sphincter
• C. Gastro-oesophageal
• D. Ileo-caeeal valve

Answer 1

The correct option is B Pyloric sphincter

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

B. Pyloric sphincter is found between the duodenum and posterior stomach. It regulates the opening of duodenum into stomach.

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

D. Ileo-caecal valve is present between ileum of small intestine and caecum of large intestine.

So, the correct answer is 'Pyloric sphincter'.