abnormal Wolffian duct morphology rudimentary Wolffian ducts 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 MPheno.ontology rudimentary Leydig's duct rudimentary nephric duct rudimentary pronephric duct rudimentary ductus mesonephricus rudimentary archinephric duct rudimentary mesonephric duct MP:0009075