testosterone for Dummies
testosterone for Dummies
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At close to 7 days seven in utero, the sex-linked gene on the Y chromosome initiates the development with the testicles in male infants. The testicles generate testosterone.
Slowed expansion in height, but their arms and legs may well carry on to grow outside of proportion with the rest of their human body.
Testosterone has quite a few key steps. It provides destructive opinions inhibition over the secretion of gonadotropin-releasing hormone from your hypothalamus plus the secretion of luteinizing hormone from the pituitary gland. In addition, it directs the event of your embryonic Wolffian ducts into 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。
Testosterone can be a steroid within the androstane class containing a ketone and also a hydroxyl team at positions a few and seventeen respectively. It is biosynthesized in numerous techniques from cholesterol and is particularly converted inside the liver to inactive metabolites.[eight] It exerts its action by way of binding to and activation with the androgen receptor.[eight] In human beings and many other vertebrates, testosterone is secreted principally by the testicles of males and, to a lesser extent, the ovaries of females.
AIS is actually a disorder of intercourse differentiation. It impacts male fetuses as they develop from the uterus, along with teenage sexual development all through puberty.
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The brain is likewise impacted by this sexual differentiation;[21] the enzyme aromatase converts testosterone into estradiol that's liable for masculinization from the Mind in male mice.
If they’re persistently high or very low, it's possible you'll practical experience disagreeable signs and symptoms value speaking about with your supplier. Therapies can be obtained which will help.
There are a few variations between a male and female Mind Which might be resulting from various testosterone concentrations, one of them remaining measurement: the male human Mind is, on typical, larger sized.[38]
由于睾酮能提升体能，一些运动员为保持体育状态或表现，会于赛前使用睾酮。男运动员在赛前数小时，可以将睾酮注射阴囊内，激化身体的状态。但现时大部分的体育项目都已把睾酮定为禁药。
Testosterone is an essential A part of reproductive health and All round wellness for individuals assigned male at birth. It’s all-natural for testosterone concentrations to vary based on your age and In general overall health.
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。
The two charts underneath listing the general regular ranges of testosterone based on age and intercourse. The extent is calculated in nanograms What everyone is talking about for every deciliter (ng/dL).