Читать книгу Sex For Dummies - Pierre Lehu A., Dr. Ruth K. Westheimer - Страница 42

In addition to the testicles’ vital role in the continuation of the species (which I discuss in the following “Producing sperm” section), men require functioning testicles for the hormones they produce, most importantly testosterone. Testosterone is called the “male hormone,” and that name truly fits. If a boy is born without testosterone, his scrotum forms as the outer lips of a vagina and his penis as something akin to a clitoris.