Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun An unsaturated androgenic steroid, C19H26O2, that is secreted by the testis, ovary, and adrenal cortex and is a precursor of both androgens and estrogens. Until 2005, when its nonprescription sale and use became illegal in the United States, synthetic androstenedione was used as a dietary supplement to enhance athletic performance.
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun A
steroid hormone produced in theadrenal glands and thegonads ,chemical formula C19H26O2; the commonprecursor to both male and female sexhormones .
Etymologies
from The American Heritage® Dictionary of the English Language, 4th Edition
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Examples
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Testosterone is derived from the androgen called androstenedione via a reduction of its 17-keto group.
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The revelation he favoured an easily available pick-me-up called androstenedione - banned by every sport that actually cared about drug testing - created as much animosity towards the reporter who wrote the story as it did towards McGwire.
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The revelation he favoured an easily available pick-me-up called androstenedione - banned by every sport that actually cared about drug testing - created as much animosity toward the reporter who wrote the story as it did McGwire.
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Management wants year-round random testing, a ban on precursors such as androstenedione and stiffer penalties for players who violate the policy.
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Certain adrenal tumors cause elevated levels of androstenedione which is converted by the enzyme aromatase into estrone, a form of estrogen.
Find Me A Cure 2009
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Other blood tests (your doctor will determine how often), including chemistries; lactate dehydrogenase; and adrenal hormones such as cortisol, testosterone, 17-hydroxyprogesterone, androstenedione and dehydroepiandrosterone
Li-Fraumeni Syndrome 2009
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As Linkmeister and Dr X point out, Mark McGwire was indeed up front about his use of androstenedione.
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For many athletes, the terms of the code were breached in a single moment in 1998 when a reporter spied a bottle of androstenedione in Mark McGwire's locker.
It's Time for the Sportswriters to Go Craig Wolff 2011
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For many athletes, the terms of the code were breached in a single moment in 1998 when a reporter spied a bottle of androstenedione in Mark McGwire's locker.
It's Time for the Sportswriters to Go Craig Wolff 2011
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ROBERTS: So what he said goes way beyond the androstenedione that he had already admitted to taking?
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