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Dictionary

tes•tos•ter•one

Pronunciation: (tes-tos'tu-rōn"), [key]
—n.
1. Biochem.the sex hormone, C₁₉H₂₈O₂, secreted by the testes, that stimulates the development of male sex organs, secondary sexual traits, and sperm.
2. Pharm.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.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

teston

test paper

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