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