Main Entry: Wolff·ian duct

Pronunciation: \ˈwu̇l-fē-ən-\

Function: noun

Etymology: Kaspar Friedrich Wolff

Date: 1876

: the duct of the mesonephros that persists in the female chiefly as part of a vestigial organ and in the male as the duct system leaving the testis and including the epididymis, vas deferens, seminal vesicle, and ejaculatory duct