abnormal Wolffian duct morphology rudimentary Wolffian ducts MP:0009075 MPheno.ontology not fully developed or remnants of the transient embryonic drainage tubes of the embryonic kidney (mesonephric tubules) that empty into the cloaca and later develop into the ductus deferens in the male rudimentary Gartner's duct rudimentary Leydig's duct rudimentary archinephric duct rudimentary ductus mesonephricus rudimentary mesonephric duct rudimentary nephric duct rudimentary pronephric duct