What does eventration mean?
Eventration is a medical term denoting the protrusion of internal organs—most often the intestines—through an opening, weakness, or dehiscence in the abdominal wall, whether resulting from trauma, congenital malformation, or the failure of a surgical incision to heal. The word also describes the operative removal or displacement of the contents of a body cavity, and, in thoracic medicine, an abnormal elevation of the diaphragm due to deficient muscle tone, known as diaphragmatic eventration. Derived from the Latin 'venter,' meaning belly, via the verb 'eventrate,' it is a strictly formal term encountered in clinical notes, surgical textbooks, and radiology reports rather than everyday speech. Clinicians distinguish it from related concepts such as hernia and evisceration on anatomical and clinical grounds. Its precise, Latinate character makes it valuable where ordinary language would be vague about a serious condition.
nounThe protrusion of the intestines or other internal organs through an opening in the abdominal wall, whether caused by injury, surgery, or a congenital defect; in surgery, also the act of removing or displacing the contents of a body cavity.
- Medicine: the protrusion of abdominal organs through a defect or dehiscence in the abdominal wall, especially following trauma or surgery.
- Surgery: the operative removal or displacement of the contents of a cavity, particularly the abdomen.
- Pathology: abnormal elevation or lack of muscular tone of the diaphragm, allowing it to be displaced upward (diaphragmatic eventration).
"Following the dehiscence of his surgical incision, the patient suffered an eventration that required emergency repair."
"The surgeon repaired the eventration using mesh to reinforce the weakened abdominal wall."
"Congenital eventration of the diaphragm can compromise breathing by limiting lung expansion."
Used when referring to multiple instances or cases of the condition.
"The review examined postoperative eventrations across several hospitals."
From the Latin 'venter' for belly, eventration literally means 'out of the belly' — a word surgeons hope never to write in your chart.
Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.
Etymology of eventration
Eventration derives from Late Latin 'eventratio,' formed from 'eventrare' (to disembowel), itself built on the prefix 'e-' (out) and 'venter' (belly). It entered English in the early 17th century, initially in general and surgical senses before settling into specialized medical usage. It shares its root with words such as 'ventral,' 'ventricle,' and 'ventriloquist,' all ultimately tracing back to the Latin 'venter.'
Related word forms
How eventration is actually used
A formal technical term confined almost entirely to medical and veterinary contexts; it is not used in everyday conversation. In surgical literature it frequently appears alongside terms like 'wound dehiscence' and 'diaphragmatic paralysis.'
Easily confused with eventration
Evisceration broadly means the removal or spilling out of internal organs and is common in both surgical and figurative use, while eventration more specifically denotes organ protrusion through a defect in the abdominal wall or diaphragm.
A hernia is the protrusion of tissue through a weakened opening, typically covered by peritoneum as a reducible bulge, whereas eventration usually refers to frank protrusion of organs without such covering, often after wound breakdown.