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。
The very first time period happens amongst four and six months with the gestation. Illustrations incorporate genital virilisation for example midline fusion, phallic urethra, scrotal thinning and rugation, and phallic enlargement; although the function of testosterone is much lesser than that of dihydrotestosterone. There exists also advancement from the prostate gland and seminal vesicles.[citation desired]
Testosterone triggers the development from the male interior and external reproductive organs all through fetal growth.
精囊 · 精腺排泄管 · 摄护腺（尿道嵴／精阜／摄护腺小囊／射精管 · 摄护腺窦／摄护腺小管） · 尿道球腺
If you believe you may have symptoms of low testosterone or excess testosterone, check with your healthcare service provider. They might buy some tests or deliver you to definitely a expert.
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testosterone, hormone produced by the male testis that is certainly accountable for advancement with the male sexual intercourse organs and masculine features, such as facial hair and deepening with the voice. Testosterone was isolated from testicular extracts in 1935.
利用睾酮的男性化作用，跨性别男性（即由女性经由变性成为男性）会以睾酮作为替代，以维持至一般正常男性的睾酮水平。同样地，跨性别女性会使用药物抑制睾酮的生成，以让雌激素发挥效用。
Classical male hypogonadism is when very low testosterone stages are as a result of an underlying health-related affliction or damage to your testicles, pituitary gland or hypothalamus. For instance, anyone could be born by using a issue (congenital) that causes reduced testosterone, such as Klinefelter syndrome or Kallmann syndrome, or they can produce it later on (acquired), including from an something which variations the conventional functioning in their testicles, hypothalamus or pituitary Buzz worthy gland.
Males who make significantly less testosterone usually tend to be inside of a partnership[eighty three] or married,[84] and Males who make far more testosterone usually tend to divorce.[eighty four] Marriage or dedication could induce a decrease in testosterone levels.[eighty five] Single Adult males that have not experienced romance working experience have reduce testosterone concentrations than solitary Guys with encounter. It can be recommended that these single Gentlemen with prior experience are in a far more competitive state than their non-knowledgeable counterparts.
Complete testosterone blood exam (this is frequently carried out in the morning considering the fact that testosterone levels are best then).
在其他脊索動物的組織內也會有雄激素受體，而雄性及雌性對睪酮的反應也相當一致。在出生前雄性與雌性的睪酮劑量的差異，會導致在青春期或整個生命上的生物差異。
Anabolic outcomes incorporate progress of muscle mass and toughness, amplified bone density and strength, and stimulation of linear expansion and bone maturation.
The two charts underneath checklist the final standard ranges of testosterone depending on age and sexual intercourse. The level is calculated in nanograms for each deciliter (ng/dL).