A group of disorders marked by progressive degeneration of motor neurons in the spinal cord resulting in weakness and muscular atrophy, usually without evidence of injury to the corticospinal tracts. Diseases in this category include Werdnig-Hoffmann disease and later onset SPINAL MUSCULAR ATROPHIES OF CHILDHOOD, most of which are hereditary. (Adams et al., Principles of Neurology, 6th ed, p1089)

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• Motor Neuron Disease
• Neuromuscular Diseases
• Spinal Cord Diseases

• List of 26 Central Nervous System Diseases Nervous System Diseases Neurodegenerative Diseases Neuromuscular Diseases Amyotrophic Lateral Sclerosis Bulbar Palsy, Progressive Epidural Abscess Fatigue Syndrome, Chronic Isaacs Syndrome Motor Neuron Disease Muscular Diseases Muscular Disorders, Atrophic Myelitis Neuromuscular Junction Diseases Peripheral Nervous System Diseases Pneumorrhachis Poliomyelitis Spinal Cord Compression Spinal Cord Injuries Spinal Cord Neoplasms Spinal Cord Vascular Diseases Spinocerebellar Degenerations Stiff-Person Syndrome Subacute Combined Degeneration Syringomyelia Tabes Dorsalis
• Topics using similar words

• Bulbo-Spinal Atrophy, X-Linked
• Spinal Muscular Atrophies of Childhood