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    Hormones that affect males and females

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    (1) Male and female embryos exhibit few anatomical differences until after the second month of development. Several common sex hormones continue to function into adulthood, including FSH and LH. Describe where these hormones come from and what their role is in adult males and females, with reference to the reproductive structures.

    (2) Pregnancy can be detected several days post-implantation, based on a hormone level test. What is the hormone that is tested for in pregnancy, and what is its role? How is the test administered, and who may perform it?

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    Solution Preview

    Both of these hormones are referred to as gonadotropins because they stimulate the gonads: testes in males and ovaries in females. These hormones are vital to reproduction.

    FSH stands for follicle stimulating hormone. This hormone is what stimulates the ovarian follicles of the ovaries to mature in women and it is secreted from the gondatrophs, which are cells in the anterior pituitary gland. In males, this hormone is important in sperm production.

    LH stands for luteinizing hormone. This hormone is also secreted by the gonadtrophs and is responsible stimulating the secretion of sex steroids, testosterone and ...

    Solution Summary

    This solution contains information on hormones released by the gonadotropins, the names of the hormones, the function of these hormones, and how to test for hCG.