vasdeferens

vas def·er·ens (dĕfʹər-ənz, -ə-rĕnz') n. pl. vasa def·er·en·ti·a (dĕf'ə-rĕnʹshē-ə)

The main duct through which semen is carried from the epididymis to the ejaculatory duct.

  [New Latin vās dēferēns: vās, duct + Latin dēferēns, present participle of dēferre, to carry away.]

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