Maple syrup urine disease, 29, 30, 108 



Marfan syndrome, 59 



Maroteaux-Lamy syndrome, 39, 109 



McArdle disease, 34 



Menkes syndrome, 49, 111 



Mental retardation, X-linked, 59 



Metachromatic leukodystrophy, 43, 44, 105, 110 



Metaphyseal chondroplasia, McKusick type, 52 



Methylmalonicaciduria, 30 



Monosomy, 92 



Morquio syndrome, 39 



Mouse, cultures from, 124 



Mucolipidoses, 35, 36 



Mucopolysaccharidoses, 36-40, 109 



Mucoviscidosis, 53, 112, 113 



Mulibrey nanism, 126 



Multiple myeloma, 121, 128 



Multiple sulfatase deficiency disease, 44 



Muscular dystrophy, 59 



Myelogenous leukemia, chronic, 127 



Myositis ossificans progressiva, 59 



Neuraminidase deficiency, 40 



Neuroblastoma, 128 



Neurofibromatosis, 59, 60, 117 



Normal human cell cultures, apparently, 102-104, 106, 122, 123, 129, 130 



Niemann-Pick disease, 44, 45 



Nucleotide and nucleic acid metabolism, disorders of, 45-49, 111 



Orotic aciduria, 47 

 Osteogenesis imperfecta, 60 

 Osteogenic sarcoma, 128 



Pancytopenia, 63, 64 



Papular mucinosis, 60 



Phenylketonuria, 30, 108 



Phosphoglycerate kinase deficiency, 40 



Phosphorylase kinase deficiency, 34 



Polydystrophy , pseudo-Hurler , 36 



Polysomy, 93-95, 119, 120 



Pompe disease, 34, 109 



Porphyria, acute intermittent, 49, 50, 111, 112 



Potter syndrome, 60 



Progeria, 60, 126 



Propionicacidemia, 31 



Psychiatric disorders, 61, 117, 118 



170 



