Androstenedione

androstenedione /an·dro·stene·di·one/ (-di-on) an androgenic steroid produced by the testis, adrenal cortex, and ovary; converted metabolically to testosterone and other androgens.

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an·dro·stene·di·one (ndr-stnd-n, -d-n)

n.

An unsaturated androgenic steroid existing in three isomeric forms that is secreted by the testis, ovary, and adrenal cortex and has a weaker biological potency than testosterone.

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Androstenedione

Also called "andro," this hormone occurs naturally during the making of testosterone and estrogen.

Mentioned in: Anabolic Steroid Use

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androstenedione (anˑ·drō·steˈ·n·dīˈ·ōn),

n a biochemical precursor to both estrogen and testosterone. Used as a dietary supplement because it is believed to boost testosterone levels and claimed to increase athletic performance and muscle mass. It increases estrogen levels more than testosterone, may interfere with hormone levels, and may heighten the risk of hormone-sensitive cancers or cancers of the liver.

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androstenedione

an androgenic steroid produced by the testis, adrenal cortex and ovary. Immunization against it gives excellent results in promoting fertility in ewes by increasing the twinning rate.