Testosterone is a specific type of androgen hormone that is secreted by the male gonads, the testes.

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Androgens are a class of sexual hormones, including testosterone, that are secreted by the testes.

Androgens

Spielman, R. M., Jenkins, W. J., & Lovett, M. D. (2020, April 22). Psychology (2nd ed.). OpenStax. https://openstax.org/books/psychology-2e/pages/1-introduction

OpenStax Psychology (2nd ed.) Textbook

Testosterone

A 45-year-old biological male visits his doctor complaining of persistent fatigue, a noticeable decrease in muscle mass despite regular exercise, and a significantly reduced sex drive. Blood tests reveal abnormally low levels of a specific class of hormones primarily produced in the testes.

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