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Androgen: A male sex hormone that promotes the development and maintenance of the male sex characteristics. The major androgen is testosterone.
Androstenedione may refer to: 1  Î´4-Androstenedione, a weak androgen and an intermediate in the biosynthesis of testosterone from DHEA. 2  Î´5-Androstenedione, a prodrug of testosterone and hence an androgen/anabolic steroid.3  Î´1-Androstenedione, a prodrug of Î´ 1 -testosterone and hence an androgen/anabolic steroid.ndrostenedione may refer to: 1  Î´4-Androstenedione, a weak androgen and an intermediate in the biosynthesis of testosterone from DHEA. 2  Î´5-Androstenedione, a prodrug of testosterone and hence an androgen/anabolic steroid. 3  Î´1-Androstenedione, a prodrug of Î´ 1 -testosterone and hence an androgen/anabolic steroid.