M11- A5: Sphincter of Oddi

Sphincter of Oddi consists of how many sphincters :

a. 2

b. 3

c. 4

d. 5




Sphincter of Oddi consists of:

1. Superior choledochal sphincter.
2. Inferior choledochal sphincter.
3. Pancreatic sphincter.
4. Sphincter ampullae.


Answer: c. 4 sphincters