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menses

Pronunciation: men'sez

Definition: A periodic physiologic hemorrhage occurring at intervals of about 4 weeks and having its source in the uterine mucous membrane; usually the bleeding is preceded by ovulation and predecidual changes in the endometrium.

Synonym(s): menstrual period

[L. pl. of mensis, month]

See Also: menstrual cycle

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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