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  1. Testosterone - Wikipedia

    In humans, testosterone plays a key role in the development of male reproductive tissues such as testicles and prostate, as well as promoting secondary sexual characteristics such as …

  2. TESTOSTERONE Definition & Meaning - Merriam-Webster

    : a male hormone produced by the testes that causes the development of the male reproductive system and secondary sex characteristics.

  3. Testosterone: What It Is, Function & Levels - Cleveland Clinic

    What is testosterone? Testosterone is a hormone that your gonads (sex organs) mainly produce. More specifically, both testicles and ovaries produce testosterone.

  4. Testosterone | Definition, Effects, & Facts | Britannica

    Dec 19, 2025 · Testosterone, hormone produced by the male testis that is responsible for development of the male sex organs and masculine characteristics, including facial hair and …

  5. Testosterone | Hormones

    Testosterone is a hormone that is responsible for many of the physical characteristics specific to adult males. It plays a key role in reproduction and the maintenance of bone and muscle strength.

  6. TESTOSTERONE Definition & Meaning | Dictionary.com

    TESTOSTERONE definition: the sex hormone C 19 H 28 O 2 , secreted by the testes, that stimulates the development of male sexual organs, secondary sexual traits, and sperm.

  7. Testosterone | definition of testosterone by Medical dictionary

    the principal male sex hormone (androgen) that is produced by Leydig's cells of the testes in response to luteinizing hormone secreted by the pituitary gland. It is also produced by the …

  8. Testosterone: What It Is and How It Affects Your Health

    Mar 17, 2023 · Testosterone is a hormone found in humans, as well as in other animals. In men, the testicles primarily make testosterone. Women’s ovaries also make testosterone, though in …

  9. testosterone noun - Definition, pictures, pronunciation and …

    Definition of testosterone noun in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

  10. Testosterone - columbiadoctors.org

    Testosterone is one of the hormones needed for sexual development and is present in everyone. Testosterone is mostly made in the testicles, which are part of the male reproductive system.