Where Is Your Appendix?


Quick Answer

The appendix is located in the lower right abdomen. The appendix is approximately four inches long and sits where the small intestine meets the large intestine. The exact location of the appendix varies from person to person.

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Where Is Your Appendix?
Credit: U.S. Department of Agriculture CC-BY 2.0

Full Answer

The appendix is attached to the cecum, or a small pouch at the beginning of the large intestine. Appendicitis occurs when the appendix becomes inflamed and infected. Symptoms of appendicitis include pain in the lower right abdomen, fever and vomiting.

Scientists originally believed the appendix was a vestigial organ, or an organ no longer providing any useful function to the body after years of evolution. However, some scientists now believe the appendix helps people overcome gastrointestinal disease.

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