DictionaryprolapseOrgan slipping out of place
noun / verb

prolapse

PROH-laps/ˈprəʊlæps/

An organ slipping from its normal position.

The cutaway shows uterine prolapse, with the uterus descending into the vaginal canal.

A single non-graphic anatomical cutaway of the female pelvis shows uterine prolapse: the uterus has descended into the vaginal canal, with a faint dashed outline marking its usual higher position and a short downward arrow making the displacement visible.
Etymology

The pieces describe slipping forward or down. In the medical noun, this is a literal displacement: an organ slips down or out of its normal position.

In context

Alila Medical Media0:49
The most common of all heart valve diseases is mitral valve prolapse, or MVP. In MVP, the mitral leaflets bulge into the left atrium every time the ventricles contract.
Mitral Valve Prolapse and Regurgitation, Animation

More examples

  • The uterus can prolapse when its supporting tissues weaken.
  • Her prolapsed bladder causes discomfort when she stands.
  • The doctor recommends treatment for a rectal prolapse.

Forms

prolapse · prolapses · prolapsed · prolapsing

Similar words

displacement
Any shift from position, not specifically an organ slipping downward.
descent
Downward movement generally, without necessarily involving an organ or disorder.