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。

层次（鞘膜 · 白膜 · 血管膜） · 附件 · 纵隔 · 小叶 · 隔片 · 莱迪希细胞 · 塞尔托利氏细胞 · 血睾屏障

In humans, masculinization of the fetal Mind appears, by observation of gender choice in sufferers with congenital Conditions of androgen development or androgen receptor operate, to get connected to useful androgen receptors.[37]

由於睪酮能提升體能，一些運動員為保持體育狀態或表現，會於賽前使用睪酮。男運動員在賽前數小時，可以將睪酮注射陰囊內，激化身體的狀態。但現時大部份的體育項目都已把睪酮定為禁藥。

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

All-natural testosterone is really a steroid — an anabolic-androgenic steroid. "Anabolic" refers to muscle making, and "androgenic" refers to amplified male sex features.

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Fatherhood decreases testosterone amounts in Guys, suggesting that the feelings and behaviour tied to paternal care reduce testosterone ranges. In people along with other species that use allomaternal care, paternal expense in offspring is useful to explained offspring's survival since it will allow The 2 mother and father to lift numerous youngsters simultaneously.

Testosterone might also simply just exaggerate or amplify present aggression; such as, chimpanzees who receive testosterone raises develop into more aggressive to chimps lower than them inside the social hierarchy, but will however be submissive to chimps increased than them. Testosterone Hence doesn't make the chimpanzee indiscriminately intense, but in its place amplifies his pre-present aggression in direction of reduced-rated chimps.[129]

Testosterone is the primary male sex hormone and androgen in males.[3] In individuals, testosterone performs a important purpose in the event of male reproductive tissues like testicles and prostate, together with advertising secondary sexual attributes which include increased muscle and bone mass, and the growth of entire body hair. It can be associated with elevated aggression, intercourse push, dominance, courtship Display screen, and an array of behavioral features.

situationship a passionate romantic relationship between two folks who don't still think about by themselves a pair but who may have more than a friendship

The second idea is comparable and known as "evolutionary neuroandrogenic (ENA) theory of male aggression".[107][108] Testosterone and various androgens have progressed to masculinize a Mind to get competitive, even to the %50 off now point of jeopardizing hurt to the person and Other folks. By doing so, people with masculinized brains because of pre-natal and adult existence testosterone and androgens, boost their resource acquiring qualities to outlive, appeal to and copulate with mates as much as feasible.

AIS helps prevent male genitals from establishing as they should and nearly always results in infertility (it’s complicated or unachievable to father little ones) in the course of adulthood.