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| testosterone | |
| What is it? | |
| A male sex hormone (androgen) secreted by the testis of mammals and responsible for triggering the development of sperm and of many secondary sexual characteristics. | |
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|
Close Window |
| testosterone | |
| What is it? | |
| A male sex hormone (androgen) secreted by the testis of mammals and responsible for triggering the development of sperm and of many secondary sexual characteristics. | |
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