Either of a pair of tubes that convey sperm from each testis and epididymis to the urethra. The plural form is vasa deferentia.
A narrow tube that leads from each testis (see TESTICLE) through the PROSTATE GLAND to join a tube from the seminal vesicles to form the ejaculatory duct. Sperm (see SPERMATOZOON) and seminal ?uid pass through this duct during ejaculation.
A canal connecting vas efferens to cirrus.
(pl. vasa deferentia) either of a pair of ducts that conduct spermatozoa from the *epididymis to the *urethra on ejaculation. It has a thick muscular wall the contraction of which assists in ejaculation.
Health Encyclopedia