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    Glossary testes

    male gonads producing sperm and testosterone

    The testes, also known as testicles, are the male gonads responsible for producing sperm and the hormone testosterone. They are located in the scrotum, a pouch of skin below the penis, and play a crucial role in male fertility and secondary sexual characteristics such as muscle mass and body hair.

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    Research 10 of 1000+

    1. Exogenous Testosterone (T) Alone or with Finasteride Increases Physical Performance, Grip Strength, and Lean Body Mass in Older Men with Low Serum T The Journal of Clinical Endocrinology and Metabolism · 2005 · 506 citations
    2. Exogenous Testosterone or Testosterone with Finasteride Increases Bone Mineral Density in Older Men with Low Serum Testosterone The Journal of Clinical Endocrinology and Metabolism · 2004 · 417 citations
    3. Bioavailability of Albumin-Bound Testosterone† The Journal of Clinical Endocrinology & Metabolism · 1985 · 255 citations
    4. Testosterone levels in healthy men and the relation to behavioural and physical characteristics: facts and constructs European journal of endocrinology · 2001 · 229 citations
    5. On the effects of testosterone on brain behavioral functions Frontiers in Neuroscience · 2015 · 186 citations
    6. Testosterone therapy for transgender men The Lancet Diabetes & Endocrinology · 2016 · 162 citations
    7. Testosterone, cytochrome P450, and cardiac hypertrophy The FASEB Journal · 2002 · 155 citations
    8. Testosterone modulation of seizure susceptibility is mediated by neurosteroids 3α-androstanediol and 17β-estradiol Neuroscience · 2004 · 136 citations
    9. Effect of Testosterone Supplementation With and Without a Dual 5α-Reductase Inhibitor on Fat-Free Mass in Men With Suppressed Testosterone Production JAMA · 2012 · 124 citations
    10. Cardiovascular risks and elevation of serum DHT vary by route of testosterone administration: a systematic review and meta-analysis BMC Medicine · 2014 · 122 citations
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    Community 10 of 813

    1. for those who had high levels of testo and estradiol after start fin/dut: did it comeback to baseline or normal levels? Reddit · 31 May 2024
    2. Should I avoid a testosterone cycle if I care a lot about keeping my hair? Reddit · 23 Aug 2026
    3. How does testosterone and dht work? Reddit · 18 Aug 2026
    4. Anyone already balding before their first testosterone cycle - did Finasteride/Dutasteride or RU58841 actually save your hair? Reddit · 31 Jul 2026
    5. Finasteride Doubled my Total & Free Test but also my Estradiol - 8 months in Reddit · 28 Jul 2026
    6. Impact of Testosterone on Hair Loss with Dutasteride Treatment at Norwood 3 Community · 16 Jul 2026
    7. If you discontinued anabolic steroids (mainly Testosterone) while on Dut, would you restart seeing results? Reddit · 13 Jul 2026
    8. Hormone test results - anybody else have similar with fin/dut Reddit · 4 Jul 2026
    9. My DHT levels on 1400mg testosterone per week and 0.5mg dutasteride daily Reddit · 30 Jun 2026
    10. Testosterone increased after six months of finasteride Reddit · 16 Jun 2026
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    Learn 1 of 36

    1. KY19382 Experimental compound that activates hair-growth signals, tested only in animals
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