the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause; "the women were sickly and subject to excessive menstruation"; "a woman does not take the gout unless her menses be stopped"--Hippocrates; "the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females"--Aristotle 日/英 »
【下位】 abnormally heavy or prolonged menstruation; can be a symptom of uterine tumors and can lead to anemia if prolonged 異常に重いもしくは長引く月経のこと。子宮腫瘍の兆候の可能性があり、もし長引けば貧血症を引き起こす可能性がある。
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