An operation that ties off or cuts the tubes through which sperm travel from the testicles to the urethra; used as a form of birth control.

An operation to cut or tie off the two tubes that carry sperm out of the testicles.

Surgical removal of part or all of the vas deferens.

Surgical removal of the ductus deferens, or a portion of it. It is done in association with prostatectomy, or to induce infertility. (Dorland, 28th ed)

Vasectomy is a type of surgery that prevents a man from being able to get a woman pregnant. It is a permanent form of birth control. A vasectomy works by cutting the tubes that carry the sperm out of the testicles. The surgery usually takes no more than 30 minutes. Most men go home the same day. In most cases, recovery takes less than a week. Having a vasectomy does not affect your sex life. It takes about three months before it is effective. Your doctor will test your semen to make sure that there are no sperm in it. Vasectomies can sometimes be reversed, but not always. Having a vasectomy does not protect against sexually transmitted diseases, such as HIV/AIDS. Men who have had a vasectomy should still practice safe sex to avoid STDs. NIH: National Institute of Child Health and Human Development

Vasectomy is a form of male birth control that cuts the supply of sperm to your semen. It's done by cutting and sealing the tubes that carry sperm. Vasectomy has a low risk of problems and can usually be performed in an outpatient setting under local anesthesia.

Vasectomy, severing of the vas deferens in the male reproductive tract to bring about sterility or to prevent infection. The testes in the male produce the sperm cells that fertilize the ovum, or egg, in the process of producing a new organism. Connected to each testis is the epididymis, a...