2020 guidelines from your American University of Medical professionals assist the dialogue of testosterone procedure in adult Adult men with age-similar lower levels of testosterone who definitely have sexual dysfunction. They recommend yearly analysis pertaining to probable enhancement and, if none, to discontinue testosterone; doctors really should look at intramuscular treatments, in lieu of transdermal solutions, resulting from expenses and since the success and damage of either strategy is comparable.

肾上腺髓质： 肾上腺素、去甲肾上腺素 － 肾上腺皮质： 醛固酮、皮质醇、脱氢表雄酮

維持性慾及勃起次數（濫用補充劑可能會導致疼痛性陰莖異常勃起、和性慾亢進）

睾酮是经由血液中的性激素结合球蛋白运送至身体的目标组织。男性生殖腺内的塞尔托利氏细胞需要睾酮来生成精子。

If any of these organs — your hypothalamus, pituitary gland or gonads — aren’t Doing the job Commonly, that can result in abnormal testosterone degrees.

由于睾丸间质细胞分泌雄激素，如果睾丸中没有局部高水平的雄激素，生精小管就会退化，导致不孕。因此，许多经皮雄激素贴片被应用于阴囊。

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在发育中的睾丸里的性索中，来自中胚层的上皮细胞成为塞尔托利氏细胞，辅助精子的形成。

One's body controls the levels of testosterone inside your blood. Levels are usually best each morning and decline throughout the day.

Completion of bone maturation and termination of progress. This occurs indirectly via estradiol metabolites and therefore much more steadily in men than Women of all ages.

睾酮对成人的影响，对男性比较明显，但对男女两性都同样重要。随着年纪渐长，睾酮的分量下降，这些影响亦随之而减少。这些影响包括：[来源请求]

Just like other steroid hormones, testosterone exists in serum in two types. Most testosterone in the serum is sure to sex hormone-binding globulin also to albumin, even though the remaining quantity (about one per cent) is totally free, or unbound. No Celebrity Endorsement here cost testosterone is in equilibrium with bound testosterone to ensure that when no cost testosterone enters cells, some bound testosterone is instantly freed.

概括地说，雄激素助长蛋白质的合成及拥有雄激素受体的组织的生长，睾酮的效用可以分为合成代谢及雄性化效应。合成代谢效应包括肌肉质量及力量的增长、增加骨质密度及强度、刺激线性生长及骨骼成熟等。雄性化效应则包括性器官的成熟（尤其是阴茎及胎儿阴囊的生成）、出生后（通常是在青春期）声线的转沉、胡须及体毛的生长等。这些效应一般都是男性的第二性征。

Sexual arousal and masturbation in Females make smaller boosts in testosterone concentrations.[sixty five] The plasma stages of varied steroids drastically enhance right after masturbation in Adult males as well as testosterone concentrations correlate to those levels.[sixty six]