[condition of being undersized as a result of premature arrest of skeletal growth. ( CSP )] (UMLS (CSP) C0013336) =Congenital Abnormality =bone development disorder; Endocrine Disease =achondroplasia; Dwarfism, Pituitary; achondroplasia; Cockayne syndrome; Congenital hypothyroidism; Dwarfism, Pituitary; Thanatophoric Dysplasia;