Which gland primarily produces estrogen?

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Multiple Choice

Which gland primarily produces estrogen?

Explanation:
Estrogen is produced mainly by the ovaries. In the ovarian follicles, theca cells make androgens, which granulosa cells convert to estrogen using the enzyme aromatase; this process is driven by FSH from the pituitary. This ovarian production provides the majority of circulating estrogen during the reproductive years and supports the menstrual cycle and development of female secondary sex characteristics. Other glands contribute only small amounts or produce estrogen indirectly (adrenal androgens can be aromatized in peripheral tissues, and the testes produce some estrogen as a minor product), but the ovaries are the primary source.

Estrogen is produced mainly by the ovaries. In the ovarian follicles, theca cells make androgens, which granulosa cells convert to estrogen using the enzyme aromatase; this process is driven by FSH from the pituitary. This ovarian production provides the majority of circulating estrogen during the reproductive years and supports the menstrual cycle and development of female secondary sex characteristics. Other glands contribute only small amounts or produce estrogen indirectly (adrenal androgens can be aromatized in peripheral tissues, and the testes produce some estrogen as a minor product), but the ovaries are the primary source.

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