Vas Deferens, Congenital Bilateral Aplasia of, also known as congenital bilateral absence of vas deferens, is related to vas deferens, congenital bilateral aplasia of, x-linked and cystic fibrosis. An important gene associated with Vas Deferens, Congenital Bilateral Aplasia of is CFTR (CF Transmembrane Conductance Regulator), and among its related pathways/superpathways are CFTR-dependent regulation of ion channels in Airway Epithelium (norm and CF) and NO-dependent CFTR activation (normal and CF). The drug Dipeptidyl-Peptidase IV Inhibitors has been mentioned in the context of this disorder. Affiliated tissues include testes and prostate, and related phenotypes are absent vas deferens and male infertility