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The appendix is a small, finger-shaped pouch of intestinal tissue located between the small intestine (cecum) and large intestine (colon).
Review Date 1/1/2026
Updated by: Ann M. Rogers, MD, FACS, Professor Emeritus, Department of Surgery, Penn State College of Medicine, Hershey, PA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
