28 Day Menstrual Cycle Hormones Phases — a labelled NEET Biology diagram with a definitions lexicon.
28-Day Menstrual Cycle: Hormones & Phases Labelled parts: Menstrual Phase, Follicular Phase, Ovulation, Luteal Phase, FSH, LH, Estrogen, Progesterone, Corpus Luteum, Uterine Cycle. A rapid rise in Luteinizing Hormone levels mid-cycle that triggers ovulation and the release of the secondary oocyte. A temporary endocrine structure formed from the ruptured follicle that secretes progesterone to maintain the endometrium. The phase of the menstrual cycle where ovarian follicles mature under the influence of FSH.