33 - Physiologyofthe FemaleReproductive System LiuWei...

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Physiology of the  Female Reproductive  System Liu Wei Ren Ji hospital
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Physiological Stages Neonatal period:  birth---4 weeks Childhood:  4 weeks----12 years Puberty:  12 years---18 years Sexual maturation:  18 year---50 year Perimenopause:  decline of ovarian  function (40 years)----1 year  postmenopause Postmenopause:
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Menstruation Menstruation       cyclic endometrium sheds and bleeds due to  cyclic ovulation Mense 1. Endometrium is sloughed (progesterone  withdrawal) 2. Nonclotting menstrual blood mainly comes  from artery (75%) 3. Interval: 24-35 days (28 days). duration: 2-6  days. the first day of menstrual bleeding is  consideredy by day 1 4. Shedding: 30-50 ml
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Central reproductive hormones Hypothalamus-Pituitary-Ovary(H-P-O axis)
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Central reproductive hormones Neuroendocrine regulation 1. Gonadotropin-releasing hormone,GnRH 1) chemical structure        (pro)Glu-His-Trp-Ser-Tyr-Gly-Leu-Arg-Pro-Gly-NH 2 2) Synthesize and transport                   nerve cells hypothalamu s portal vein pitutary anterior lobe
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Central reproductive hormones
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Central reproductive hormones 3) Regulation of GnRH Hypothalams GnRH Pituitary FSH, LH Ovary E,P
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This note was uploaded on 01/21/2012 for the course PDBIO 305 taught by Professor Woods,a during the Fall '08 term at BYU.

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33 - Physiologyofthe FemaleReproductive System LiuWei...

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