In Older people assigned female at birth, significant levels of testosterone may be a indicator of polycystic ovary syndrome (PCOS). This affliction is quite common — up to fifteen% of folks AFAB of reproductive age have it.

在青春期时，睾酮会令孩童出现第一种雄激素上升可见的现象。这些现象包括：[来源请求]

与其他类固醇激素一样，睾酮是由胆固醇所衍生的。男性睾丸可以产生大量睾酮，女性卵巢、胎盘及男性或女性的肾上腺网状带亦会分泌少量的睾酮。

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

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

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。

testosterone, hormone produced by the male testis that is certainly responsible for growth of your male sex organs and masculine attributes, together with facial hair and deepening from the voice. Testosterone was isolated from testicular extracts in 1935.

There are two theories on the purpose of testosterone in aggression and Levels of competition.[106] The 1st may be the obstacle hypothesis which states that testosterone would improve during puberty, As a result facilitating reproductive and competitive actions which would include aggression.[106] It's hence the obstacle of Level of competition amongst males that facilitates aggression and violence.

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）

Testosterone is the first male intercourse hormone and androgen in males.[three] In people, testosterone plays a key part in the development of male reproductive tissues for instance testicles and Viral Video prostate, and also advertising secondary sexual properties including amplified muscle and bone mass, and the growth of system hair. It's affiliated with improved aggression, sexual intercourse generate, dominance, courtship Exhibit, and a wide range of behavioral attributes.

Pubertal effects start to manifest when androgen continues to be increased than usual adult female amounts for months or decades. In males, they're common late pubertal outcomes, and arise in Women of all ages after extended intervals of heightened levels of cost-free testosterone during the blood. The effects contain:[thirty][31]

Dihydrotestosterone is responsible for sperm maturation through spermatogenesis, to the formation on the prostate gland and exterior genitalia, and for sexual maturation at puberty.

Testosterone is usually a hormone that the gonads (testicles or ovaries) mostly generate. Testosterone degrees are naturally A lot better in folks assigned male at start than in people assigned female at beginning. If testosterone degrees are as well superior or as well lower, it can cause specific indications.