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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 main androgen is Testosterone with increasing levels that  begins Puberty and the Secondary Sexual Characteristics in males.  Testosterone is produced in the testes. It â¦ encourages growth and  maturation.   Also important to mention is the Follicle-stimulating hormone (FSH)  which enhances spermatogenesis.