Main Page | See live article | Alphabetical index Wolffian duct (also known as Archinephric Duct, Leydig's duct, and the mesonephric duct) is an organ in humans prior to birth. It carries urine from the kidney. In a male, it develops into the vas deferens; in a female, into the epoophoron. It is named after Kaspar Friedrich Wolff. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.