prolapse of rectum
prolapse [pro´laps]
Etymology: L, prolapsus, falling, rectus, straight
a protrusion of the mucous membrane of the lower part of the rectum through the anal orifice.
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).
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