testosterone


tes·tos·ter·one

noun \tes-ˈtäs-tə-ˌrōn\

medical : a substance (called a hormone) that occurs naturally in men and male animals

: qualities (such as noticeable strength and aggressiveness) that agree with traditional ideas about what men are like

Full Definition of TESTOSTERONE

1
:  a hormone that is a hydroxy steroid ketone C19H28O2 produced especially by the testes or made synthetically and that is responsible for inducing and maintaining male secondary sex characters
2
:  qualities (as brawn and aggressiveness) usually associated with males :  manliness

Origin of TESTOSTERONE

testis + -o- + -sterone
First Known Use: 1935

Other Physiology Terms

eructation, flux, gustatory, menarche, myopia, senescence, torpor

tes·tos·ter·one

noun \te-ˈstäs-tə-ˌrōn\   (Medical Dictionary)

Medical Definition of TESTOSTERONE

: a male hormone that is a crystalline hydroxy steroid ketone C19H28O2 produced primarily by the testes or made synthetically and that is the main androgen responsible for inducing and maintaining male secondary sex characteristics

testosterone

noun    (Concise Encyclopedia)

Masculinizing sex hormone produced by the testes. It is responsible for the development of the male sex organs and secondary sex characteristics (e.g., facial hair, masculine musculature, deep voice, and male-pattern baldness). Testosterone can be manufactured by modifying other, less expensive steroids. It is used in the treatment of hypogonadism, undescended testes (cryptorchism), and certain cancers.

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