Spinal muscular atrophy.
D000818:Animals; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009132:Muscles / Q000473:pathology; D009133:Muscular Atrophy / Q000175:diagnosis* / Q000235:genetics / Q000473:pathology; D009474:Neurons / Q000473:pathology; D051381:Rats; D013116:Spinal Cord