what are testosterone and androgen?

Androgen

Androgen is the generic term for any natural or synthetic compound, usually a steroid hormone that stimulates or controls the development and maintenance of male characteristics in vertebrates by binding to the androgen receptor. This also includes the activity of male secondary sexual organs and the development of secondary sexual characteristics. Androgens, which were discovered in 1936, also called androgen hormones. " Androgens are also the origin of anabolic steroids. They are also the precursor of all estrogens, the female sex hormones. The main androgen, which is also the best known is "testosterone".