At about 7 days 7 in utero, the intercourse-similar gene about the Y chromosome initiates the event on the testicles in male infants. The testicles produce testosterone. 肾上腺髓质: 肾上腺素、去甲肾上腺素 - 肾上腺皮质: 醛固酮、皮质醇、脱氢表雄酮 男性的第二性征包括雄激素性毛发、声音变粗、喉结出现、肩膀变宽、肌肉增加和阴茎生长。 睾酮是经由血液中的性激素结合球蛋白运送至身体的目标组织... https://chancehsagp.pointblog.net/indicators-on-nexalin-reviews-you-should-know-70344452