A hernia occurs when part of an organ protrudes through a weak point or tear in the thin muscular wall that holds the abdominal organs in place.
Review Date 8/22/2022
Updated by: Debra G. Wechter, MD, FACS, General Surgery Practice Specializing in Breast Cancer, Virginia Mason Medical Center, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.