the causes of growth disturbances of organic origin are chromosomal aberrations ( e.g. , down syndrome ) , dysmorphology syndromes ( e.g. , russell-silver syndrome ) , endocrinopathies ( e.g. , hypopituitary dwarfism ) , chronic diseases ( e.g. , celiac disease ) , and bone dysplasias ( e.g. , achondroplasia ) .
C0008625
chromosomal aberrations
C0013080
down syndrome