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vicarious menstruation

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
menstruation /men·stru·a·tion/ (men″stroo-a´shun) the cyclic, physiologic discharge through the vagina of blood and muscosal tissues from the nonpregnant uterus; it is under hormonal control and normally recurs usually at approximately four-week intervals, except during pregnancy and lactation, throughout the reproductive period (puberty through menopause).
anovular menstruation , anovulatory menstruation periodic uterine bleeding without preceding ovulation.
infrequent menstruation  oligomenorrhea.
profuse menstruation  hypermenorrhea.
retrograde menstruation  backflow of menstrual fluid, epithelial cells ,and debris through the uterine tubes and into the peritoneal cavity.
scanty menstruation  hypomenorrhea.
vicarious menstruation  discharge of blood from an extragenital source at the time menstruation is normally expected.

vicarious menstruation
n.
Bleeding from a surface other than the mucous membrane of the uterine cavity that occurs at the time when normal menstruation should take place.

vicarious menstruation
[vīker′ē·əs]
Etymology: L, vicarius, substituted, menstruare, to menstruate
discharge of blood from a site other than the uterus at the time when the menstrual flow is normally expected. Such bleeding is usually caused by the increased capillary permeability that occurs during menstruation.

vicarious menstruation
Cyclical bleeding from various sites–eg, the lungs, which occurs in ♀ of reproductive age, usually from endometriosis. See Endometriosis.


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