概括地說，雄激素助長蛋白質的合成及擁有雄激素受體的組織的生長，睪酮的效用可以分為合成代謝及雄性化效應。合成代謝效應包括肌肉質量及力量的增長、增加骨質密度及強度、刺激線性生長及骨骼成熟等。雄性化效應則包括性器官的成熟（尤其是陰莖及胎兒陰囊的生成）、出生後（通常是在青春期）聲線的轉沉、鬍鬚及體毛的生長等。這些效應一般都是男性的第二性徵。
Ovarian or testicular tumors: Androgen-producing ovarian and testicular tumors can launch excess testosterone.
The rise in testosterone during Levels of competition predicted aggression in males, although not in females.[a hundred and fifteen] Topics who interacted with handguns and an experimental game confirmed rise in testosterone and aggression.[116] Purely natural assortment may have progressed males to become more delicate to competitive and status challenge circumstances, and the interacting roles of testosterone tend to be the vital ingredient for intense conduct in these scenarios.
利用睪酮的男性化作用，跨性别男性（即由女性經由變性成為男性）會以睪酮作為替代，以維持至一般正常男性的睪酮水平。同樣地，跨性别女性會使用藥物抑制睪酮的生成，以讓雌激素發揮效用。
In general, androgens which include testosterone endorse protein synthesis and so progress of tissues with androgen receptors.[sixteen] Testosterone could be called owning anabolic and androgenic (virilising) results, while these categorical descriptions are fairly arbitrary, as There may be a lot of mutual overlap involving them.[17] The relative potency of these results can rely upon several components and is a topic of ongoing analysis.
AIS is a dysfunction of sex differentiation. It affects male fetuses because they establish from the uterus, and teenage sexual progress for the duration Special Deal of puberty.
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用于多种男性性激素不足的状况 隐睾症、性腺功能减退症、阳痿及男性更年期。
成年男子不论服用或施打多少睾酮都无法再次促使阴茎的成长与发育（相反的，错误的使用激素，将可能造成体内原生激素紊乱，将无法自行生成使睾丸及阴茎萎缩，衍生出其他生殖系统疾病）
成年男子不論服用或施打多少睪酮都無法再次促使陰莖的成長與發育（相反的，錯誤的使用激素，將可能造成體內原生激素紊亂，將無法自行生成使睪丸及陰莖萎縮，衍生出其他生殖系統疾病）
[147] The T-receptor or DHT-receptor sophisticated undergoes a structural improve that permits it to move to the mobile nucleus and bind on to particular nucleotide sequences in the chromosomal DNA. The parts of binding are referred to as hormone reaction aspects (HREs), and impact transcriptional activity of sure genes, generating the androgen consequences.
除自然作用之外，雄性激素亦可作为药物使用，如雄激素替代疗法和促进肌肉生长。值得注意的是，成年男性無論施打多少劑量的雄激素都无助生殖器再次發育成長，反而容易增长生殖疾病风险。
Falling in love continues to be linked with decreases in Males's testosterone ranges while blended variations are claimed for Girls's testosterone degrees.[81][eighty two] There have been speculation that these modifications in testosterone lead to the temporary reduction of differences in conduct among the sexes.
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