Tumours of the nervous system.
D000818:Animals; D001254:Astrocytoma / Q000473:pathology; D006224:Cricetinae; D004806:Ependymoma / Q000473:pathology; D005909:Glioblastoma / Q000473:pathology; D005910:Glioma / Q000473:pathology; D006801:Humans; D008527:Medulloblastoma / Q000473:pathology; D008647:Mesocricetus; D009374:Neoplasms, Experimental / Q000473:pathology; D009423:Nervous System Neoplasms / Q000209:etiology / Q000473:pathology*; D009442:Neurilemmoma / Q000473:pathology; D009447:Neuroblastoma / Q000473:pathology; D018241:Neuroectodermal Tumors, Primitive, Peripheral / Q000473:pathology; D009455:Neurofibroma / Q000473:pathology; D010236:Paraganglioma, Extra-Adrenal / Q000473:pathology; D014412:Tumor Virus Infections / Q000150:complications