Also found in: Dictionary, Thesaurus, Encyclopedia.
the secretory duct of the testicle, extending from the epididymis, of which it is the continuation, to its merging with the excretory duct of the seminal gland to form the ejaculatory duct.
See vas deferens.
spermatic ductA nonspecific term for either:
(1) Vas deferens; ductus deferens [NA6]; or
(2) Ejaculatory duct; ductus ejaculatorius [NA6].