- Protrusion of a loop or knuckle of an organ or tissue through an abnormal opening.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- A protrusion of an organ or part through connective tissue or through a wall of the cavity in which it is normally enclosed -- called also rupture.
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
See also Understanding Medical Terminology.