prolapse /pro·lapse/ (pro´laps)
prolapse
prolapse [pro´laps]
1. ptosis; the falling down, or downward displacement, of a part or viscus.
2. to undergo such displacement.
prolapse of the cord protrusion of the umbilical cord ahead of the presenting part of the fetus in labor.
prolapse of the iris protrusion of the iris through a wound in the cornea.
Morgagni's prolapse chronic inflammatory hyperplasia of the mucosa and submucosa of the sacculus laryngis.
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 p.), the cervix is outside the orifice (second-degree p.), or the entire uterus is outside the orifice (third-degree p.) .
pro·lapse (pr -l ps )v. To fall or slip out of place, as of an organ or part. n. pro·lap·sus (pr -lps s) The falling down or slipping out of place of an organ or part, such as the uterus. |
prolapse
[prō′laps, prōlaps′]
Etymology: L, prolapsus, falling
the dropping, falling, sinking, or sliding of an organ from its normal position or location in the body, such as a prolapsed uterus or rectum.
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.
mitral valve prolapse see mitral valve prolapse.
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).
prolapse (prōlaps´),
v the falling, sinking, or sliding of an organ from its normal position or location in the body. See also mitral valve prolapse (MVP).
prolapse
1. literally the falling down, or downward displacement, of a part or viscus. In many instances in animals the prolapse is lateral or even dorsal, e.g. in intervertebral disk prolapse.
2. to undergo such displacement.
anal prolapse
see rectal prolapse.
cloacal prolapse
caused in companion birds by parasitic enteritis.
eye prolapse
the eyeball is displaced from the orbit and is lying on the lower eyelid.
fat prolapse
see perivaginal fat prolapse.
oviduct prolapse
a minor prolapse of oviductal mucosa may stimulate cannibalism in others and the entire oviduct be removed via the cloaca.
parturient bladder prolapse
see parturient urinary bladder prolapse.
preputial prolapse
see preputial eversion.
rectal prolapse, prolapse of rectum
protrusion through the anus of the mucosa only or the complete wall of the rectum. Uncommon in most species but commonplace in the pig because of anatomical weakness in the area, especially in some breeds. The feeding of estrogens exacerbates the tendency.
prolapse retainer
1. a frame made of strong wire or thin metal rod and shaped like a lattice with obvious apertures for defecation and urination; strapped to the rear end of the cow so that the perineum will not bulge when the animal strains.
2. a bottle-shaped appliance sewn in to the vagina to prevent prolapse of the vagina.
third eyelid gland prolapse
see cherry eye.
uterine prolapse
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). May be related causally to hypocalcemia in cattle.
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Uterine prolapse in a mare. By permission from Knottenbelt DC, Pascoe RR, Diseases and Disorders of the Horse, Saunders, 2003
vaginal prolapse
edematous enlargement of vaginal tissue during estrus. Usually the prolapse contains only the mucosa of the ventral floor, but it may also contain the urinary bladder or the cervix. Kinking of the urethra may cause obstruction and eventual rupture of the bladder. Called also estral eversion, vaginal hyperplasia.
prolapse
The sinking or lowering of an organ or tissue. See Genital prolapse, Mitral valve prolapse, Rectal prolapse, Uterine prolapse.
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