title: Abnormal proximal axons of Clarke's neurons in sporadic motor neuron disease.
mesh_terms: D000368:Aged; D000690:Amyotrophic Lateral Sclerosis / Q000473:pathology*; D001369:Axons / Q000648:ultrastructure*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009046:Motor Neurons / Q000473:pathology* / Q000648:ultrastructure; D013116:Spinal Cord / Q000473:pathology*