Not known Facts About matas
Not known Facts About matas
Blog Article
At all-around 7 days 7 in utero, the sexual intercourse-similar gene to the Y chromosome initiates the development of the testicles in male infants. The testicles produce testosterone.
Slowed development in height, but their arms and legs may well proceed to mature out of proportion with the remainder of their system.
Testosterone has several key steps. It provides damaging feed-back inhibition about the secretion of gonadotropin-releasing hormone in the hypothalamus and the secretion of luteinizing hormone through the pituitary gland. It also directs the development of your embryonic Wolffian ducts to the vas deferens (ductus deferens) and seminal vesicles and stimulates the formation of muscle and bone.
由於睪酮能提升體能，一些運動員為保持體育狀態或表現，會於賽前使用睪酮。男運動員在賽前數小時，可以將睪酮注射陰囊內，激化身體的狀態。但現時大部份的體育項目都已把睪酮定為禁藥。
It’s unlikely — and difficult to convey to — that an Grownup assigned male at birth has higher-than-normal amounts of testosterone.
英语-中文（简体） term #beta Beta /beta #preferredDictionaries ^selected title /picked /preferredDictionaries
testosterone, hormone produced by the male testis Special Deal that may be liable for enhancement on the male intercourse organs and masculine attributes, like facial hair and deepening from the voice. Testosterone was isolated from testicular extracts in 1935.
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。
精囊 · 精腺排泄管 · 攝護腺（尿道嵴／精阜／攝護腺小囊／射精管 · 攝護腺窦／攝護腺小管） · 尿道球腺
睪酮對成人的影響，對男性比較明顯，但對男女兩性都同樣重要。隨著年紀漸長，睪酮的份量下降，這些影響亦隨之而減少。這些影響包括：[來源請求]
Guys who develop more testosterone are more likely to engage in extramarital sex.[84] Testosterone stages never rely on physical presence of a partner; testosterone levels of Gentlemen partaking in exact-town and extensive-length relationships are similar.
In non-human primates, it might be that testosterone in puberty stimulates sexual arousal, which permits the primate to more and more search for out sexual activities with females and so generates a sexual preference for females.
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。
维基百科中的医学内容仅供参考，并不能视作专业意见。如需获取医疗帮助或意见，请咨询专业人士。详见医学声明。