Testosterone deficiency all through fetal development doesn’t let male features to build Ordinarily. This is known as androgen insensitivity syndrome (AIS) and takes place when an individual is genetically male but is insensitive to androgens (male intercourse hormones).
The 1st period takes place amongst four and 6 weeks of your gestation. Illustrations incorporate genital virilisation including midline fusion, phallic urethra, scrotal thinning and rugation, and phallic enlargement; Even though the position of testosterone is far lesser than that of dihydrotestosterone. There's also growth in the prostate gland and seminal vesicles.[citation essential]
維持性慾及勃起次數（濫用補充劑可能會導致疼痛性陰莖異常勃起、和性慾亢進）
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
Testosterone degrees in Grown ups assigned male at beginning (AMAB) Obviously decrease since they age. Nonetheless, Grownups AMAB can expertise even reduced testosterone amounts, which can result in the following:
AIS is usually a dysfunction of sex differentiation. It has an effect on male fetuses because they establish while in the uterus, in addition to teenage sexual enhancement for the duration of puberty.
Grownup testosterone outcomes tend to be more Obviously demonstrable in males than in females, but are probably essential to both of those sexes. Many of these outcomes could decline as testosterone levels might minimize during the later a long time of adult everyday living.[36]
There's two theories about the purpose of testosterone in aggression and Competitiveness.[106] The primary will be the obstacle hypothesis which states that testosterone would raise in the course of puberty, thus facilitating reproductive and competitive actions which would come with aggression.[106] It can be consequently the obstacle of Competitors among the males that facilitates aggression and violence.
Nevertheless, any time you hear folks make use of the expression “anabolic steroids” they are commonly referring to synthetic (produced inside a lab) variations of testosterone which are injected into The body.
成年男子不論服用或施打多少睪酮都無法再次促使陰莖的成長與發育（相反的，錯誤的使用激素，將可能造成體內原生激素紊亂，將無法自行生成使睪丸及陰莖萎縮，衍生出其他生殖系統疾病）
Guys who develop far more testosterone usually tend to engage in extramarital sex.[84] Testosterone stages will not depend on physical presence of the partner; testosterone levels of men partaking in identical-metropolis and prolonged-distance relationships are equivalent.
维基百科中的醫學内容仅供参考，並不能視作專業意見。如需獲取醫療幫助或意見，请咨询专业人士。詳見醫學聲明。
Prenatal androgens apparently affect interests and engagement in gendered functions and also have moderate consequences on spatial skills.[23] Among the Girls with congenital adrenal hyperplasia, a male-common Participate in in childhood correlated with lowered gratification With all the female gender and lowered heterosexual curiosity in adulthood.[24]
The relationship involving testosterone and aggression can also functionality indirectly, as it has been proposed that testosterone won't amplify tendencies in the direction of aggression, but relatively amplifies whatsoever tendencies will allow a person to take care of social position when challenged. In many animals, aggression could be the indicates of retaining social position. Nonetheless, human beings have various ways of obtaining standing. This might make clear why some scientific studies locate a link among testosterone and pro-social behaviour, if pro-social behaviour is rewarded with social standing. Consequently the link in between testosterone and aggression and violence is due to these getting rewarded with social standing.[128] The relationship may additionally be one among a "permissive effect" whereby testosterone does elevate aggression amounts, but only while in the feeling of letting normal aggression concentrations to generally be managed; chemically Half Off or bodily castrating the person will lessen aggression stages (however not remove them) but the individual only requirements a little-volume of pre-castration testosterone to have aggression levels to return to normal, which they will remain at even if supplemental testosterone is extra.