Investigation of degenerative disease of the central nervous system.
D001065:Appendix / Q000473:pathology; D001706:Biopsy; D001856:Bone Marrow Examination; D001921:Brain / Q000473:pathology; D001932:Brain Neoplasms / Q000175:diagnosis; D002493:Central Nervous System Diseases / Q000175:diagnosis* / Q000473:pathology; D002547:Cerebral Palsy / Q000175:diagnosis; D002675:Child, Preschool; D003937:Diagnosis, Differential; D004569:Electroencephalography; D004576:Electromyography; D004827:Epilepsy / Q000175:diagnosis; D030342:Genetic Diseases, Inborn; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000150:complications; D007413:Intestinal Mucosa; D008064:Lipidoses / Q000175:diagnosis; D009410:Nerve Degeneration; D009497:Neurotic Disorders / Q000175:diagnosis; D009542:Niemann-Pick Diseases / Q000175:diagnosis; D010525:Peripheral Nerves / Q000473:pathology; D012007:Rectum / Q000473:pathology; D013344:Subacute Sclerosing Panencephalitis / Q000175:diagnosis