| tricuspid valve prolapse | Abnormal protrusion of one or more of the leaflets of the tricuspid valve into the right atrium during systole. (12 Dec 1998) |
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| uterine prolapse | The abnormal downward displacement of the uterus from its normal anatomic position within the pelvis. Higher grade prolapse can result in protrusion of the uterus from the vaginal canal. (27 Sep 1997) |