ductus deferens(n = noun.body) vas deferens - a duct that carries spermatozoa from the epididymis to the ejaculatory duct;
is a kind of canal, channel, duct, epithelial duct
is a part of male reproductive system, ball, ballock, bollock, egg, nut, orchis, testicle, testis, seminal duct

ductus arteriosus, musculus sphincter ductus choledochi, musculus sphincter ductus pancreatici, patent ductus arteriosus, vas deferens