What is the appendix?

The appendix is a worm-like organ that hangs off of the large bowel in the lower right side of the abdomen. It does not seem to serve any critical function. Some experts believe it may have been an important part of the immune system but over time lost its importance.

The appendix is a small, finger-like pouch that sticks out from the cecum (the first part of the large intestine near the end of the small intestine) in the lower portion of the abdomen. A healthy appendix generally averages 10 cm in length.

Picture of Appendix
Dr. Mehmet Oz, MD
Cardiology (Cardiovascular Disease)
The appendix is a small tube of tissue that extends from the cecum, a pouch at the beginning of the large intestine. Appendicitis refers to inflammation of this tube of tissue. Watch me discuss the appendix and appendicitis.


Continue Learning about Digestive Health

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.