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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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    1. KY19382 Experimental compound that activates hair-growth signals, tested only in animals
    2. Finasteride Popular 5-alpha reductase inhibitor that lowers DHT, taken as a pill or used topically
    3. Dutasteride 5-alpha reductase inhibitor that blocks both enzyme types, a stronger DHT blocker than finasteride
    4. HMI-115 Experimental antibody that blocks the prolactin receptor
    5. Bicalutamide Nonsteroidal anti-androgen, originally a prostate cancer drug