ectodermal dysplasia syndrome jones hersh yusk syndrome ptosis, ectropion, thin skin, beaked nose MESH:C535885 UMLS:C2931054 MONDO:0043110 aplasia cutis congenita, cleft palate, epidermolysis bullosa, and ectrodactyly aplasia cutis cleft palate epidermolysis GARD:0003055 MEDGEN:418974