Definition of vas deferens in English:

vas deferens

Pronunciation: /-ˌrenz//ˌvas ˈdefərənz/


  • The duct that conveys sperm from the testicle to the urethra.

    • ‘During sexual activity, the sperm travels from the epididymis to the vas deferens with other glandular secretions.’
    • ‘Both fallopian tubes and vas deferens have the ability to rejoin after separation although this is an extremely rare occurrence.’
    • ‘Vasectomy works by using a clip to block the vas deferens, which connects the testicles to the urethra and keeps sperm out of the seminal fluid.’
    • ‘These ducts carry the secretions produced by the seminal vesicle and the vas deferens.’
    • ‘Men with congenital absence of the vas deferens, either unilateral or bilateral, may be carriers of cystic fibrosis.’


Late 16th century: from vas + Latin deferens carrying away present participle of deferre.


vas deferens

/-ˌrenz//ˌvas ˈdefərənz/