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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 triggers the development in the male internal and exterior reproductive organs in the course of fetal growth.

Your hypothalamus and pituitary gland control the quantity of testosterone your gonads (testicles or ovaries) develop and launch.

In general, androgens such as testosterone market protein synthesis and so growth of tissues with androgen receptors.[sixteen] Testosterone might be described as having anabolic and androgenic (virilising) consequences, however these categorical descriptions are fairly arbitrary, as There is certainly quite a lot of mutual overlap between them.[seventeen] The relative potency of these outcomes can rely on many variables and it is a subject of ongoing analysis.

AIS is a disorder of sexual intercourse differentiation. It influences male fetuses because they develop in the uterus, along with teenage sexual improvement throughout puberty.

层次（皮肤 · 肉膜 · 精索外筋膜 · 提睾肌／提睾肌筋膜 · 精索内筋膜 · 会阴缝）

The Mind is additionally affected by this sexual differentiation;[21] the enzyme aromatase converts testosterone into estradiol that may be chargeable for masculinization of your brain in male mice.

Fatherhood decreases testosterone amounts in men, suggesting the emotions and behaviour tied to paternal treatment minimize testosterone stages. In humans and various species that use allomaternal treatment, paternal expense in offspring is useful to stated offspring's survival as it makes it possible for the two parents to raise a number of children simultaneously.

Testosterone may also only exaggerate or amplify existing aggression; for instance, chimpanzees who acquire testosterone raises turn into additional intense to chimps lessen than them inside the social hierarchy, but will still be submissive to chimps greater than them. Testosterone Therefore will not make the Website chimpanzee indiscriminately aggressive, but alternatively amplifies his pre-current aggression in the direction of reduced-rated chimps.[129]

[147] The T-receptor or DHT-receptor sophisticated undergoes a structural adjust that permits it to move into your mobile nucleus and bind directly to particular nucleotide sequences from the chromosomal DNA. The regions of binding are known as hormone reaction things (HREs), and affect transcriptional activity of particular genes, creating the androgen consequences.

Testosterone is an essential Component of reproductive well being and Over-all well being for folks assigned male at birth. It’s normal for testosterone levels to fluctuate depending on your age and All round wellbeing.

The 2nd idea is analogous and known as "evolutionary neuroandrogenic (ENA) theory of male aggression".[107][108] Testosterone as well as other androgens have evolved to masculinize a Mind to generally be aggressive, even to the point of jeopardizing harm to the person and Other individuals. By doing this, people with masculinized brains as a result of pre-natal and Grownup lifestyle testosterone and androgens, enhance their useful resource buying capabilities to survive, appeal to and copulate with mates just as much as is possible.

The two charts down below listing the general typical ranges of testosterone dependant on age and sexual intercourse. The level is calculated in nanograms for each deciliter (ng/dL).