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Unformatted text preview: from the corps luteum (previously the follicle) after ovulation. The menstrual (uterine) cycle consists of three phases: 1. The proliferative phase describes the thickening of the endometrium of the uterus, replacing tissues that were lost during the previous menstrual cycle. 2. The secretory phase follows ovulation and describes further thickening and vascularization of the endometrium in preparation for the implantation of a fertilized egg. 3. The menstrual phase (menstruation, menses) describes the shedding of the endometrium when implantation does not occur....
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- Spring '10