How do testicles produce sperm

Other factors that can affect the function of the testes are radiation and chemotherapy used in the treatment of cancer , certain drugs, and disorders of the pituitary gland that stop signals from the hormone endocrine system that trigger production of testosterone from the testes.

About Contact Events News. Search Search. You and Your Hormones. Students Teachers Patients Browse. Human body. Home Glands Testes. Testes The testes are two oval-shaped male reproductive glands that produce sperm and the hormone testosterone.

Alternative names Testicles; testis singular Coloured scanning electron micrograph of sperm cells that are developing inside a seminiferous tubule. Thyroid gland. Related Glands. The germ cells divide and change until they resemble tadpoles with a head and short tail.

The tails push the sperm into a tube behind the testes called the epididymis. For about five weeks, the sperm travel through the epididymis, completing their development. Once out of the epididymis, the sperm move to the vas deferens. When a man is stimulated for sexual activity, the sperm are mixed with seminal fluid — a whitish liquid produced by the seminal vesicles and the prostate gland — to form semen.

As a result of the stimulation, the semen, which contains up to million sperm , is pushed out of the penis ejaculated through the urethra. The process of going from a germ cell to a mature sperm cell capable of egg fertilization takes around 2. Sperm are produced in the testicles and develop to maturity while traveling from the seminiferous tubules through the epididymis into the vas deferens.

Spermatogenesis is the complete cycle of sperm production and maturation. It constantly supplies your body with sperm able to travel through the…. Semen is the fluid containing sperm that is released during…. A healthy sperm count can help increase your chances for conception.

Here are seven things you can do to promote healthy semen. We'll take a look at fertility testing for men and what may or may not be contributing to the challenge of having a child. Infertility is something many men experience. Here are 10 science-backed ways to increase sperm count and enhance overall fertility in men.

What's this? Overview Sperm are produced and released by the male reproductive organs. Sperm production in the testes takes place in coiled structures called seminiferous tubules. Finally, the semen is ejaculated from the penis through the urethra.

Related MedlinePlus Health Topics. Male Infertility. Browse the Encyclopedia.