A protrusion, consisting of an organ or part which has escaped from its natural cavity, and projects through some natural or accidental opening in the walls of the latter; as, hernia of the brain, of the lung, or of the bowels. Hernia of the abdominal viscera in most common. Called also rupture.

protrusion or rupture of an organ or part of an organ into surrounding tissues.

(her·nia) 1. incisional (ventral) Area in a surgical incision that weakens over time allowing a bulge to form. Treated by surgery often at the time of tummy tuck by bringing the solid edges of the hernia together. 2. internal an abnormal opening within the abdominal cavity through which a loop of bowel can protrude. In gastic bypass, may occur under the roux limb, along side the roux limb, or through the jejeunojejunostomy mesentary. Generally prevented by careful suture closure of these potential pathways.

protrusion or projection of an organ or part of an organ through a membrane or a cavity wall, usually the abdominal cavity