hand-schuller-christian disease: inflammatory histiocytosis associated with disturbance of cholesterol metabolism; occurs chiefly in young children and is characterized by cystic defects of the skull and diabetes insipidus
histiocytosis: a blood disease characterized by an abnormal multiplication of macrophages
iguanid: lizards of the New World and Madagascar and some Pacific islands; typically having a long tail and bright throat patch in males