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  1. Dictionary
    testosterone
    /tɛˈstɒstərəʊn/

    noun

    • 1. a steroid hormone that stimulates development of male secondary sexual characteristics, produced mainly in the testes, but also in the ovaries and adrenal cortex.

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  2. www.healthline.com › health › what-is-testosteroneTestosterone: What It Is and How It Affects Your Health

    17 Mac 2023 · Testosterone is a hormone that affects sex drive, bone and muscle mass, fat storage, and more. Learn how to test and treat low or high levels of testosterone in men and women.

  3. my.clevelandclinic.org › health › articlesTestosterone: What It Is, Function & Levels - Cleveland Clinic

    1 Sep 2022 · Testosterone is a hormone that your gonads mainly produce and that stimulates the development of male characteristics. Learn about testosterone levels, normal ranges, tests, symptoms and treatments for abnormal levels.

  4. en.wikipedia.org › wiki › TestosteroneTestosterone - Wikipedia

    Testosterone is the primary male sex hormone and androgen in males. 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 increased muscle and bone mass, and the growth of body hair.

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  6. www.britannica.com › science › testosteroneTestosterone | Definition, Effects, & Facts | Britannica

    12 Jun 2024 · Testosterone is a hormone produced by the male testis that is responsible for development of the male sex organs and masculine characteristics. Learn about its structure, functions, regulation, and clinical uses from Britannica's experts.

  7. www.medicalnewstoday.com › articles › 276013Testosterone: Functions, deficiencies, and supplements - Medical...

    18 Jul 2023 · Testosterone is the male sex hormone that regulates fertility, muscle mass, fat distribution, and red blood cell production. Learn about the causes and effects of low or high testosterone levels, and the treatment options available.

  8. www.health.harvard.edu › staying-healthy › testosterone--what-it-does-and-doesnt-doTestosterone — What It Does And Doesn't Do - Harvard Health

    22 Jun 2023 · Testosterone is a sex hormone that plays multiple roles in male and female development, growth, and function. Learn about the benefits, risks, and normal levels of testosterone, as well as how it is regulated by the brain and the pituitary gland.

  9. www.osmosis.org › learn › TestosteroneTestosterone: Video, Anatomy, Definition & Function | Osmosis

    When someone mentions testosterone, it might conjure up images of a burly alpha male. That’s because testosterone, the primary male hormone, is an androgen, andro meaning male and gen meaning “to produce”, which means testosterone helps generate the characteristics associated with male sexuality.