Vertebral, Cardiac, Tracheoesophageal, Renal, and Limb Defects, is also known as vcterl syndrome. An important gene associated with Vertebral, Cardiac, Tracheoesophageal, Renal, and Limb Defects is WBP11 (WW Domain Binding Protein 11). Affiliated tissues include trachea and heart, and related phenotypes are tracheoesophageal fistula and butterfly vertebrae