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| Description: Feedback is important in regulating hormonally controlled cycles. The high levels of estrogens during the last part of the preovulatory phase have a positive feedback effect on cells secreting LH and GnRH thus bringing about ovulation. There are many hormonal interactions between the ovarian and uterine cycles. Picture Stats: Views: 162 Filesize: 1.03MB Height: 1000 Width: 813 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=40578 |