The appendix is a small finger-shaped tube that branches off the first part of the large intestine. The appendix can become inflamed or infected causing pain in the lower right part of the abdomen.
Review Date: 2/7/2022
Reviewed By: Michael M. Phillips, MD, Emeritus Professor of Medicine, The George Washington University School of Medicine, Washington, DC. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
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