prolapse
[pro´laps] 1. the falling down or downward displacement of a part or viscus; called also
procidentia and
ptosis.
2. to undergo such displacement.
prolapse of cord protrusion of the umbilical cord ahead of the presenting part of the fetus in labor.

Variations of prolapsed umbilical cord. From McKinney et al., 2000.
prolapse of the iris protrusion of the iris through a wound in the cornea.
rectal prolapse (prolapse of rectum) protrusion of the rectal mucous membrane through the anus.
prolapse of uterus downward displacement of the uterus so that the cervix is within the vaginal orifice (first-degree prolapse), the cervix is outside the orifice (second-degree prolapse), or the entire uterus is outside the orifice (third-degree prolapse).
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
pro·lapse
(prō-laps'), 2. A sinking of an organ or other part, especially its appearance at a natural or artificial orifice.
See also:
procidentia,
ptosis.
[L. prolapsus, a falling]
Farlex Partner Medical Dictionary © Farlex 2012
prolapse
(prō-lăps′) Medicine intr.v. pro·lapsed,
pro·lapsing,
pro·lapses To fall or slip out of place.
n. prolapse (prō′lăps′, prō-lăps′) also
prolapsus (prō-lăp′səs) The falling down or slipping out of place of an organ or part, such as the uterus.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
pro·lapse
(prō'laps) 1. To sink down; said of an organ or other part.
2. A sinking of an organ or other part, especially its appearance at a natural or artificial orifice.
See also:
procidentia,
ptosis [L. prolapsus, a falling]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
prolapse
The downward displacement, or movement to an abnormal position, of a body part or tissue. Common examples are prolapse of the uterus (PROCIDENTIA), prolapse of the RECTUM and prolapse of the pulpy centre of an intervertebral disc.Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005
pro·lapse
(prō'laps) 1. To sink down; said of an organ or other part.
2. A sinking of an organ or other part, especially its appearance at a natural or artificial orifice.
[L. prolapsus, a falling]
Medical Dictionary for the Dental Professions © Farlex 2012