| NOUN | time | luteal phase, secretory phase | the second half of the menstrual cycle after ovulation |
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| Meaning | 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. | |
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| Synonym | secretory phase | |
| Part of | menstrual cycle | A recurring cycle (beginning at menarche and ending at menopause) in which the endometrial lining of the uterus prepares for pregnancy |
| Broader | phase, stage | Any distinct time period in a sequence of events |
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