TOPICS: Ovaries, oogenesis, oogonia, oogonium, diploid, haploid, ova, primary oocytes, prophase I, meiosis I, ovulation, secondary oocyte, first polar body, polar bodies, metaphase II, mature ovum, egg, fertilization, ovarian follicles, granulosa cells, theca interna cells, estrogen, androgen, aromatase, endometrial proliferation, cholesterol, desmolase, corpus luteum, progesterone, endometrium, menstrual flow, follicular phase, luteal phase, hypothalamus, gonadotropin-releasing hormone (GnRH), anterior pituitary, luteinizing hormone (LH), follicle stimulating hormone (FSH), LH surge, follicular rupture, menses
