androgen

(noun)

the generic term for any natural or synthetic compound, usually a steroid hormone, that stimulates or controls the development and maintenance of masculine characteristics in vertebrates

Related Terms

  • luteinizing hormone
  • follicle stimulating hormone
  • gonad
  • gonadotropin-releasing hormone
  • prolactin
  • inhibin
  • photoperiod
  • melatonin

Examples of androgen in the following topics:

  • Pineal Gland and Gonads

    • The testes produce androgens, which allow for the development of secondary sex characteristics and the production of sperm cells.
    • Testosterone, the most prominent androgen in males, stimulates the development and functioning of the primary sex organs .
    • The testes produce androgens, such as testosterone, which regulate primary sex organ development and function, as well as the development of secondary sex characteristics and the production of sperm cells.
    • Male testes produce androgens, while female ovaries produce estrogen and progesterone.
  • Hormonal Regulation of the Reproductive System

    • These processes are controlled by the size and frequency of GnRH pulses, as well as by feedback from androgens and estrogens.
    • FSH also enhances the production of androgen-binding protein by the Sertoli cells of the testes by binding to FSH receptors on their basolateral membranes.
    • LH stimulates production of the sex hormones (androgens) by the Leydig cells of the testes.
    • The most widely-known androgen in males is testosterone, which promotes the production of sperm and masculine characteristics.
  • Lipid-Derived, Amino Acid-Derived, and Peptide Hormones

    • Examples of steroid hormones include estradiol, which is an estrogen, or female sex hormone, and testosterone, which is an androgen, or male sex hormone.
    • Other steroid hormones include aldosterone and cortisol, which are released by the adrenal glands along with some other types of androgens.
  • Adrenal Glands

    • These layers form three distinct regions: an outer zona glomerulosa that produces mineralocorticoids; a middle zona fasciculata that produces glucocorticoids; and an inner zona reticularis that produces androgens, which are sex hormones that promote masculinity.
    • Androgens are produced in small amounts by the adrenal cortex in both males and females.
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