DEFINITIVE GUIDE KARşıYAKA ESCORT IçIN

The testicles (male gonads), are where sperm and male hormones are produced. Millions of sperm are produced daily in several hundred seminiferous tubules. Cells called the Leydig cells lie between the tubules; these produce hormones called androgens; these consist of testosterone and inhibin.[32] The bulb of the penis is surrounded by the bulbospon