menstrual cycle
English Thesaurus
1. a recurring cycle (beginning at menarche and ending at menopause) in which the endometrial lining of the uterus prepares for pregnancy; if pregnancy does not occur the lining is shed at menstruation (noun.time)
hypernym | : | cycle, oscillation, |
definition | : | a single complete execution of a periodically repeated phenomenon (noun.event) |
part holonym | : | fertile period, fertile phase, |
definition | : | the time in the menstrual cycle when fertilization is most likely to be possible (7 days before to 7 days after ovulation) (noun.time) |
part holonym | : | menstrual phase, |
definition | : | the phase of the menstrual cycle during which the lining of the uterus is shed (the first day of menstrual flow is considered day 1 of the menstrual cycle) (noun.time) |
part holonym | : | luteal phase, secretory phase, |
definition | : | the second half of the menstrual cycle after ovulation; the corpus luteum secretes progesterone which prepares the endometrium for the implantation of an embryo; if fertilization does not occur then menstrual flow begins (noun.time) |
part holonym | : | safe period, |
definition | : | that time during a woman's menstrual cycle during which conception is least likely to occur (usually immediately before of after menstruation) (noun.time) |
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