Wolffian duct n the duct of the mesonephros that persists in the female chiefly as part of the epoophoron and in the male as the duct system leaving the testis and including the epididymis, vas deferens, seminal vesicle, and ejaculatory duct called also Leydig's duct, mesonephric duct
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the mesonephric duct (see mesonephros).
Medical dictionary. 2011.