Vas Deferens: Meaning, Function, Fertility, and Vasectomy
The vas deferens is the muscular tube that carries sperm from the epididymis toward the ejaculatory duct during ejaculation.
Vasectomy: Procedure, Effectiveness, Recovery, Fertility, and Sexual Health
A vasectomy is permanent contraception that blocks the vas deferens so sperm cannot enter semen, while ejaculation and testosterone usually continue normally.