Testosterone deficiency during fetal enhancement doesn’t make it possible for male attributes to develop Generally. This is known as androgen insensitivity syndrome (AIS) and happens when someone is genetically male but is insensitive to androgens (male sex hormones).

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

Testosterone has various main actions. It offers destructive feedback inhibition around the secretion of gonadotropin-releasing hormone from your hypothalamus along with the secretion of luteinizing hormone in the pituitary gland. What's more, it directs the development in the embryonic Wolffian ducts into the vas deferens (ductus deferens) and seminal vesicles and stimulates the formation of muscle and bone.

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 could have symptoms of reduced testosterone or extra testosterone, discuss with your healthcare supplier. They could order some tests or deliver you to definitely a specialist.

Excessive testosterone in little ones assigned male at start can cause precocious (early) puberty, that's when puberty begins ahead of the age of nine.

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In individuals, testosterone appears far more to market position-looking for and social dominance than basically increasing physical aggression.

精囊 · 精腺排泄管 · 攝護腺（尿道嵴／精阜／攝護腺小囊／射精管 · 攝護腺窦／攝護腺小管） · 尿道球腺

睪酮對成人的影響，對男性比較明顯，但對男女兩性都同樣重要。隨著年紀漸長，睪酮的份量下降，這些影響亦隨之而減少。這些影響包括：[來源請求]

[147] The T-receptor or DHT-receptor advanced undergoes a structural transform that enables it to move in the mobile nucleus and bind directly to unique nucleotide sequences of the chromosomal DNA. The parts of binding are referred to as hormone response elements (HREs), and impact transcriptional action of specific genes, manufacturing the androgen results.

While the extent of paternal care may differ in between cultures, better expenditure in direct child care has actually been noticed to get correlated with decrease average testosterone concentrations along with momentary fluctuations.[ninety one] As an example, fluctuation in testosterone stages when a youngster is in distress has been discovered being indicative of fathering variations.

概括地说，雄激素助长蛋白质的合成及拥有雄激素受体的组织的生长，睾酮的效用可以分为合成代谢及雄性化效应。合成代谢效应包括肌肉质量及力量的增长、增加骨质密度及强度、刺激线性生长及骨骼成熟等。雄性化效应则包括性器官的成熟（尤其是阴茎及胎儿阴囊的生成）、出生后（通常是在青春期）声线的转沉、胡须及体毛的生长等。这些效应一般都是男性的第二性征。

Testosterone is a hormone that the gonads (testicles or ovaries) generally create. Testosterone stages are naturally Significantly better in individuals assigned male at beginning than in men and women assigned female at start. If testosterone amounts are as well high or as well minimal, it might cause sure signs and symptoms.