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Female Menstruation
Part 1 of Paper
....ly mature and is capable of reproduction is the onset of menstruation, a period of cyclic bleeding from the vagina. (Smith 1997, pg 217) This is one of the key physiological functions of the female body. An ovarian, or estrus, cycle is characteristic of all female mammals, but menstruation, periodic uterine bleeding t.... Part 2 of Paper
....reasingly higher levels of estrogens. In response to estrogen stimulation, the uterine lining thickens with increased numbers of blood vessels and uterine glands.
In the ovulation phase at midcycle, the ovum is released as LH production surges and FSH output decreases. Gonadotropic hormones that control the output of ovarian hormones are in turn regulated by the level of ovarian hormones through a negative feedback mechanism. Thus, the increased level of estrogens depresses FSH production. Fol.... |
| Number of words: 583 - Approximate pages: 3 |
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