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  2. Ovary - Wikipedia

    en.wikipedia.org/wiki/Ovary

    At maturity, ovaries secrete estrogen, androgen, [13] [14] inhibin, and progestogen. [15] [16] [2] In women before menopause, 50% of testosterone is produced by the ovaries and released directly into the blood stream. The other 50% of testosterone in the blood stream is made from conversion of the adrenal pre-androgens ( DHEA and ...

  3. Hypothalamic–pituitary–gonadal axis - Wikipedia

    en.wikipedia.org/wiki/Hypothalamic–pituitary...

    In response to GnRH stimulation these cells produce LH and FSH, which travel into the blood stream. [3] These two hormones play an important role in communicating to the gonads. In females FSH and LH act primarily to activate the ovaries to produce estrogen and inhibin and to regulate the menstrual cycle and ovarian cycle.

  4. Endocrine system - Wikipedia

    en.wikipedia.org/wiki/Endocrine_system

    The thyroid secretes thyroxine, the pituitary secretes growth hormone, the pineal secretes melatonin, the testis secretes testosterone, and the ovaries secrete estrogen and progesterone. [ 2 ] Glands that signal each other in sequence are often referred to as an axis, such as the hypothalamic–pituitary–adrenal axis .

  5. Endocrine gland - Wikipedia

    en.wikipedia.org/wiki/Endocrine_gland

    The hypothalamus regulates the hormonal output of the anterior pituitary and creates two hormones that it exports to the posterior pituitary for storage and later release. Four of the six anterior pituitary hormones are tropic hormones that regulate the function of other endocrine organs. Most anterior pituitary hormones exhibit a diurnal ...

  6. Estradiol - Wikipedia

    en.wikipedia.org/wiki/Estradiol

    [84] [85] [86] These findings demonstrated the existence of a hormone which is produced by the ovaries and is involved in sexual maturation and reproduction. [ 84 ] [ 85 ] [ 86 ] At the time of its discovery, Allen and Doisy did not name the hormone, and simply referred to it as an "ovarian hormone" or "follicular hormone"; [ 85 ] others ...

  7. Here's Why Testosterone Is a Female Hormone, Too - AOL

    www.aol.com/heres-why-testosterone-female...

    The balance between the two hormones shifts, too. “Before menopause, the main hormone is estrogen, and after menopause, androgens like testosterone become more prevalent,” Stanhiser says.

  8. Gonad - Wikipedia

    en.wikipedia.org/wiki/Gonad

    A gonad, sex gland, or reproductive gland [1] is a mixed gland and sex organ that produces the gametes and sex hormones of an organism. Female reproductive cells are egg cells, and male reproductive cells are sperm. [2]

  9. Heterocrine gland - Wikipedia

    en.wikipedia.org/wiki/Heterocrine_gland

    The two primary components of these glands are: Endocrine component: Heterocrine glands produce hormones, which are chemical messengers that travel through the bloodstream to target organs or tissues. These hormones play a vital role in regulating numerous physiological processes, such as metabolism, growth, and the immune response.