Not known Details About testosterone
At all around week 7 in utero, the intercourse-connected gene within the Y chromosome initiates the development of the testicles in male infants. The testicles create 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This enhances the reproductive Conditioning in the mo