Megabladder, Congenital, also known as mgbl, is related to hydronephrosis and prune belly syndrome. An important gene associated with Megabladder, Congenital is MYOCD (Myocardin), and among its related pathways/superpathways are Vesicle-mediated transport and Response to elevated platelet cytosolic Ca2+. Affiliated tissues include smooth muscle and kidney, and related phenotypes are fetal megacystis and ventricular septal defect