Testosterone is a steroid hormone from the androgen group and is found in humans and other ... Testosteron.svg. Testosterone-from-xtal-3D-balls.png.
A white crystalline steroid hormone, C19H28O2, produced primarily in the testes and responsible for the development and maintenance of male secondary sex ...
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the principal male sex hormone (androgen) that is produced by Leydig's cells of the testes in response to luteinizing hormone secreted by the pituitary gland.
Jul 22, 2015
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