At about 7 days 7 in utero, the sex-relevant gene around the Y chromosome initiates the event in the testicles in male infants. The testicles produce testosterone.

[86] Married Guys who engage in bond-maintenance functions including spending the day with their partner or boy or girl don't have any unique testosterone levels when compared to situations when they don't have interaction in these types of pursuits. Collectively, these success suggest which the presence of competitive functions rather than bond-maintenance routines is more related to improvements in testosterone levels.[87]

提神及提升體能（對照睪酮缺乏患者體能較佳，但與正常人無異，刻意補充對體能不會有顯著的增加）

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。

睾酮# · 双氢睾酮 · 氟羟甲基睾酮 · 甲二氢睾酮 · 甲睾酮 · 另见同化类固醇

英语-中文（简体） term #beta Beta /beta #preferredDictionaries ^chosen name /chosen /preferredDictionaries

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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。

Testosterone outcomes can also be labeled from the age of typical prevalence. For postnatal effects in both equally males and females, these are primarily depending on the ranges and length of circulating free testosterone.[20]

Testosterone may just exaggerate or amplify existing aggression; for instance, chimpanzees who acquire testosterone boosts come to be additional intense to chimps decrease than them within the social hierarchy, but will continue to be submissive to chimps larger than them. Testosterone Therefore does not make the chimpanzee indiscriminately aggressive, but alternatively amplifies his pre-current aggression to reduced-rated chimps.[129]

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]

尿道内口 · 尿道（攝護腺部 · 中部 · 海绵体部） · 舟状窝 · 尿道外口 · 莫尔加尼尿道陷窝 · 尿道腺

The next concept is comparable and often called "evolutionary neuroandrogenic (ENA) idea of male aggression".[107][108] Testosterone as well as other androgens have evolved to masculinize a Mind to become competitive, even to The purpose of jeopardizing damage to the person and Other people. By doing so, individuals with masculinized brains as a result of pre-natal and Grownup everyday living testosterone and androgens, greatly enhance their useful resource buying capabilities to survive, entice and copulate with mates as much as feasible.

The bones and also the brain are two crucial tissues nexalin in human beings wherever the first effect of testosterone is by way of aromatization to estradiol. Inside the bones, estradiol accelerates ossification of cartilage into bone, leading to closure in the epiphyses and conclusion of expansion. During the central anxious procedure, testosterone is aromatized to estradiol.