Definition of testosterone Testosterone

/tɛˌstɑˈstɚowˌn/ - [testasterown] - tes•tos•ter•one

We found 6 definitions of testosterone from 5 different sources.

What does testosterone mean?

Plural: testosterones

testosterone - a potent androgenic hormone produced chiefly by the testes; responsible for the development of male secondary sex characteristics

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testosterone (Noun)
Steroid hormone produced primarily in the testes of the male; it is responsible for the development of secondary sex characteristics in the male.
testosterone (Noun)
Manly behavior, often of an aggressive or foolishly reckless nature.

testosterone
A hormone that promotes the development and maintenance of male sex characteristics.

Testosterone is an androgen sex steroid hormone. A steroid hormone is one that is made from cholesterol. A sex hormone is one that regulates sexual changes in the body. An androgen is the male type of sex hormone.

The testicles of men make lots of testosterone. Ovaries and adrenal glands make testosterone too. But they make much less than the testicles do. So men have much higher testosterone levels than women.

Testosterone has two different kinds of effects. One effect is anabolic. This effect causes growth of muscle and bone. The other effect of testosterone is androgenic. These effects make the body look male. This includes the effects that boys have at puberty: growing a beard, making the penis and testicles bigger, and making the voice deeper.