apoteket - An Overview
At all around week seven in utero, the sexual intercourse-relevant gene on the Y chromosome initiates the event from the testicles in male infants. The testicles deliver testosterone.
Testosterone might encourage good conduct. For a single examine, subjects took component in a behavioral experiment where the distribution of a real amount of money was decided. The foundations permitted equally honest and unfair provides. The negotiating partner could subsequently acknowledge or decline the offer. The fairer the give, the fewer probable a refusal via the negotiating lover.
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。
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Testosterone is really a steroid through the androstane course containing a ketone plus a hydroxyl team at positions 3 and seventeen respectively. It is actually biosynthesized in a number of steps from cholesterol and it is converted while in the liver to inactive metabolites.[eight] It exerts its action by binding to and activation of your androgen receptor.[eight] In human beings and many other vertebrates, testosterone is secreted primarily by the testicles of males and, to a lesser extent, the ovaries of females.
Extra testosterone in kids assigned male at delivery may result in precocious (early) puberty, and that is when puberty begins ahead of the age of nine.
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）
在青春期時，睪酮會令孩童出現第一種雄激素上升可見的現象。這些現象包括：[來源請求]
Fatherhood Learn more decreases testosterone degrees in Males, suggesting that the thoughts and behaviour tied to paternal treatment lessen testosterone concentrations. In human beings along with other species that make use of allomaternal treatment, paternal expenditure in offspring is beneficial to stated offspring's survival mainly because it makes it possible for The 2 moms and dads to lift several children concurrently.
Testosterone may only exaggerate or amplify present aggression; by way of example, chimpanzees who receive testosterone improves turn into much more aggressive to chimps lessen than them inside the social hierarchy, but will however be submissive to chimps better than them. Testosterone As a result isn't going to make the chimpanzee indiscriminately intense, but alternatively amplifies his pre-present aggression in the direction of reduce-rated chimps.[129]
Testosterone is the key male sex hormone and androgen in males.[3] In human beings, testosterone performs a important job in the development of male reproductive tissues for instance testicles and prostate, in addition to advertising and marketing secondary sexual traits including elevated muscle and bone mass, and the growth of overall body hair. It is linked to amplified aggression, sex generate, dominance, courtship Screen, and a wide range of behavioral characteristics.
In non-human primates, it could be that testosterone in puberty stimulates sexual arousal, which lets the primate to ever more seek out out sexual activities with females and therefore makes a sexual choice for females.
睾酮# · 双氢睾酮 · 氟羟甲基睾酮 · 甲二氢睾酮 · 甲睾酮 · 另见同化類固醇
精原细胞 · 精母细胞发生 · 精母细胞 · 精细胞发生 · 精细胞 · 精子形成 · 精子