单词	androstenedione
释义	androstenedione /ˌandrɒstiːnˈdaɪəʊn / noun [mass noun] An androgenic steroid from which testosterone and certain oestrogens are derived in humans.Androgenic products, namely androstenedione, are testosterone precursors, and transform to this hormone in the body.... But all three substances - creatine, androstenedione, and anabolic steroids - increase a naturally occurring substance in the body to promote the building of muscle tissue. Examples of ergogenic aids are creatine, androstenedione, anabolic steroids, major pain medication, barbiturates, and amphetamines. Origin 1930s: from androsterone + -ene + di-1 + -one.
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