M
Macular degeneration
Malabsorption syndromes
Maldescent of the testes
Male infertility
Meconium ileus
Megaloblastic anemia
Melanocytic tumor of uvea
Membranous nephropathy
Meningocele
Metablic bone disorders
Metabolic disorders of CNS
Mitral regurgitation
Mitral stenosis
Mitral valve prolapse
Multiple sclerosis
Muscle atrophy
Myasthenia gravis
Myelitis
Myelodysplastic syndrome
Myelofibrosis
Myocardial infarction
Myocarditis
Myopathies
Myotonic dystrophy
Myxoedema