Ovaries - Ovaries produce estrogens progesterone inhibin...

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- Ovaries o estrogens (estrone & estradiol) & progesterone: produced by ovary cells are menstrual cycle o inhibin inhibits FSH during ovarian cycle; relaxin released during pregnancy increases flexibility of pubic symphysis & helps dilate uterine cervix - Testes : produce testosterone, an androgen (male sex hormone) o testosterone: produced by cells of testes is responsible for maturation of male o inhibin inhibits FSH to regulate spermatogenesis Pineal Gland: secretes melatonin - pineal gland located in epithalamus of brain at roof of 3 rd ventricle - melatonin appears to be involved in maintenance or sleep/wake (day/night) cycles o melatonin derived from the amino acid serotonin o more melatonin released in darkness, less in light; norepinephrine from sympathetic fibers stimulate secretion of melatonin (may cause sleepiness)
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Ovaries - Ovaries produce estrogens progesterone inhibin...

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