| 1. | Biochemistry. the sex hormone, C19H28O2, secreted by the testes, that stimulates the development of male sex organs, secondary sexual traits, and sperm. |
| 2. | Pharmacology. a commercially prepared form of this compound, originally isolated from bull's testes and now also produced synthetically, used in medicine chiefly for treatment of testosterone deficiency and for certain gynecological conditions. |
A male hormone that governs secondary sex characteristics. It is produced in the testes.
testosterone tes·tos·ter·one (těs-tŏs'tə-rōn')
n.
A steroid hormone and the most potent naturally occurring androgen that is formed by the interstitial cells of the testes, and possibly by the ovary and adrenal cortex, may be produced in nonglandular tissues from precursors such as androstenedione, and is used in the treatment of hypogonadism, cryptorchism, carcinomas, and menorrhagia.