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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.
The adrenal glands are an important source of androgens, especially in children and women. The primary adrenal androgens, dehydroepiandrosterone (DHEA) and dehydroepiandrosterone sulfate (DHEAS sulfate), are under ACTH control and have little intrinsic androgenic activity.