Holzgreve Syndrome, also known as holzgreve-wagner-rehder syndrome, is related to cleft palate, isolated and polydactyly, postaxial, type a1. An important gene associated with Holzgreve Syndrome is GLI3 (GLI Family Zinc Finger 3), and among its related pathways/superpathways are Focal adhesion and Non-integrin membrane-ECM interactions. Affiliated tissues include heart and tongue, and related phenotypes are cleft palate and intrauterine growth retardation