The testes, unlike the ovaries, do not lose the ability to make hormones. Wikimedia Commons has media related to Male reproductive system. More on this topic for: These tubules are responsible for producing the sperm cells through a process called spermatogenesis. Sperm develop in the testicles within a system of tiny tubes called the seminiferous tubules pronounced: Secondary development includes the increased activity of the eccrine sweat glands and sebaceous glands along with the darkening of the skin in the scrotal region.
The prostate gland derives from the urogenital sinus, and the other embryonic structures differentiate into the external genitalia.
Male Reproductive System Organs and Function
The development of the male reproductive system coincides with the urinary system. The opening of the urethra, the tube that transports semen and urine, is at the tip of the glans penis. Each sperm is extremely small: It also is the job of the epididymis to bring the sperm to maturity, since the sperm that emerge from the testes are immature and incapable of fertilization. A man should receive a complete physical examination and laboratory tests should be performed starting hormone replacement therapy.