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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]
Testosterone has numerous important actions. It provides detrimental feedback inhibition about the secretion of gonadotropin-releasing hormone within the hypothalamus and the secretion of luteinizing hormone from your pituitary gland. In addition it directs the development on the embryonic Wolffian ducts into your vas deferens (ductus deferens) and seminal vesicles and stimulates the formation of muscle and bone.
Just about every mammalian species examined demonstrated a marked rise in a male's testosterone amount on encountering a novel
Generally speaking, androgens for instance testosterone advertise protein synthesis and so progress of tissues with androgen receptors.[sixteen] Testosterone may be described as acquiring anabolic and androgenic (virilising) effects, while these categorical descriptions are relatively arbitrary, as There exists a lot of mutual overlap concerning them.[17] The relative potency of those effects can rely upon various aspects and is also a subject of ongoing exploration.
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。
It's been theorized that Mind masculinization is occurring because no major modifications are already determined in other parts of your body.[27] The male Mind is masculinized with the aromatization of testosterone into estradiol,[28] which crosses the blood–brain barrier and enters the male brain, whereas female fetuses have α-fetoprotein, which binds the estrogen to ensure female brains are certainly not afflicted.[29]
There are two theories over the purpose of testosterone in aggression and Competitiveness.[106] The initial will be the obstacle speculation which states that testosterone would raise throughout puberty, So facilitating reproductive and competitive actions which would include aggression.[106] It can be as a result the obstacle of Opposition among the males that facilitates aggression and violence.
As well as its part for a purely natural hormone, testosterone is made use of as a medication to take care of hypogonadism and breast most cancers.[thirteen] Given that testosterone stages lessen as Adult men age, testosterone is usually used in older Adult males to counteract this deficiency.
Consequences just before start are divided into two groups, labeled in relation towards the stages of development.
Total testosterone blood take a look at (this will likely be carried out in the morning because testosterone degrees are greatest then).
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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。
The bones as well as Mind are two critical tissues in human beings exactly where the primary impact of testosterone is By the use of aromatization to estradiol. From the bones, estradiol accelerates ossification of cartilage into bone, bringing about closure of your epiphyses and summary of growth. Within the central nervous program, testosterone is aromatized to estradiol.