homework 6 - Physiology 42-202 April 9, 2008 Homework #6 1....

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Physiology 42-202 April 9, 2008 Homework #6 1. After about 25 years, estrogen levels in women decrease. (the number of ovaries that mature in the ovules decrease) To combat this decrease in estrogen, the female body naturally produces more FSH and LH. The decreased levels of estrogen and increased levels of FSH and LH produce menopause symptoms. Therefore, you would not treat menopause symptoms with more FSH and LH. GnRH is responsible for the release of FSH and LH. GnRH levels also is the GnRH center and monitors estrogen and progesterone levels. When levels fall, this center makes GnRH. GnRH in turn stimulates the pituitary to make hormones called follicle stimulating hormone FSH and luteinizing hormone LH. FSH and LH result in the ovary producing estrogen AND progesterone. The rise in these hormones inhibits further production of GnRH. At menopause, estrogen levels fall and progesterone levels are usually already low. The ovaries no longer respond to the FSH and LH prompt. http://www.nlm.nih.gov/medlineplus/ency/article/000894.htm
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This note was uploaded on 03/30/2010 for the course BIO 42202 taught by Professor Sanders during the Spring '10 term at Carnegie Mellon.

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homework 6 - Physiology 42-202 April 9, 2008 Homework #6 1....

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