title: Muscle biopsy at motor point in polyarteritis nodosa.
mesh_terms: D000293:Adolescent; D001158:Arteries / Q000473:pathology; D001369:Axons; D001485:Basement Membrane; D001706:Biopsy; D001799:Blood Sedimentation; D001806:Blood Urea Nitrogen; D002196:Capillaries / Q000473:pathology; D004576:Electromyography; D006400:Hematocrit; D006452:Hemoglobinometry; D006801:Humans; D007958:Leukocyte Count; D008247:Lysosomes; D008297:Male; D008854:Microscopy, Electron; D008875:Middle Aged; D008933:Mitochondrial Swelling; D009046:Motor Neurons; D009132:Muscles / Q000473:pathology*; D009133:Muscular Atrophy / Q000473:pathology; D009431:Neural Conduction; D009469:Neuromuscular Junction / Q000473:pathology; D010488:Polyarteritis Nodosa / Q000097:blood / Q000473:pathology* / Q000652:urine