testosterone for Dummies
testosterone for Dummies
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In Grownups assigned female at beginning, superior levels of testosterone may be a signal of polycystic ovary syndrome (PCOS). This condition is very common — up to 15% of individuals AFAB of reproductive age have it.
Slowed growth in peak, but their arms and legs may perhaps proceed to develop outside of proportion with the rest of their overall body.
层次（鞘膜 · 白膜 · 血管膜） · 附件 · 纵隔 · 小叶 · 隔片 · 莱迪希细胞 · 塞爾托利氏細胞 · 血睾屏障
利用睪酮的男性化作用，跨性别男性（即由女性經由變性成為男性）會以睪酮作為替代，以維持至一般正常男性的睪酮水平。同樣地，跨性别女性會使用藥物抑制睪酮的生成，以讓雌激素發揮效用。
睪酮是經由血液中的性激素結合球蛋白運送至身體的目標組織。男性生殖腺內的塞爾托利氏細胞需要睪酮來生成精子。
If a father's testosterone levels decrease in response to Listening to their baby cry, it is a sign of empathizing Using the infant. That is connected to greater nurturing habits and superior outcomes to the infant.[92]
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在发育中的睾丸里的性索中，来自中胚层的上皮细胞成为塞尔托利氏细胞，辅助精子的形成。
Fatherhood decreases testosterone stages in Guys, suggesting that the thoughts and behaviour tied to paternal treatment lessen testosterone stages. In people and other species that benefit from allomaternal treatment, paternal investment decision in offspring is beneficial to reported offspring's survival as it lets the two parents to boost several small children at the same time.
Testosterone may just exaggerate or amplify present aggression; one example is, chimpanzees who obtain testosterone improves turn into much more intense to chimps reduce than them during the social hierarchy, but will even now be submissive to chimps higher than them. Testosterone Consequently doesn't make the chimpanzee indiscriminately intense, but rather amplifies his pre-current aggression towards reduced-rated chimps.[129]
睪酮芳構化成雌二醇會對腦及骨這兩個人體重要的組織構成主要的影響。在骨中，雌二醇加速了軟骨成長為骨的過程，使骨端接合及完成生長的程序。在中樞神經中，雌二醇是給予下視丘的主要迴饋訊號，尤其在影響排卵素的分泌。在很多哺乳動物的腦部中，某些性別差異區域在出生前或產期的雄性化，都是受著睪酮所產生的雌二醇影響，決定將來的雄性性行為。
除自然作用之外，雄性激素亦可作为药物使用，如雄激素替代疗法和促进肌肉生长。值得注意的是，成年男性無論施打多少劑量的雄激素都无助生殖器再次發育成長，反而容易增长生殖疾病风险。
[70] This response engages penile reflexes (including erection and ejaculation) that aid testosterone in sperm Levels of competition when more than one male is existing in mating encounters, letting for more manufacture of profitable sperm and a greater chance of replica.
The connection concerning testosterone and aggression may additionally perform indirectly, as it's been proposed that testosterone doesn't amplify tendencies in direction of aggression, but relatively amplifies what ever tendencies enables an individual to keep up social position when challenged. In most animals, aggression could be the indicates of retaining social position. Having said that, people have various ways of obtaining standing. This could explain why some reports look for a hyperlink between testosterone and pro-social behaviour, if pro-social behaviour is rewarded with social position. As a result the hyperlink concerning testosterone and aggression and violence is because of these becoming rewarded with social status.[128] The relationship may also be among a "permissive result" whereby testosterone does elevate aggression degrees, but only during the perception of enabling regular aggression degrees being managed; chemically or physically castrating the individual will lessen aggression degrees (while not do away with them) but the individual only demands a little-standard of pre-castration testosterone to acquire aggression degrees to return to usual, which they may continue being at regardless of whether more testosterone is extra.