DO_rare_slim has material basis in disease has basis in X-linked monogenic disease physical disorder congenital bilateral absence of vas deferens disease_ontology DOID:0111862 ORDO:48 CAVD MIM:PS277180 CBAVD MIM:PS277180 A male infertility that is characterized by bilateral absence of the vas deferens resulting in obstroctive azoospermia and male infertility. congenital bilateral agenesis of vas deferens congenital bilateral aplasia of vas deferens male infertility X-linked inheritance Abnormality of prenatal development or birth