Matching Pairs 4.18 Diseases of the Nervous System Online version Some diseases of the Nervous System by Jorge Arizpe 1 Brain tumor: abnormal cell growth 2 Parkinson: Lack of coordination and tremors. Death of the cells the the substantia nigra 3 Meningitis: infection in the meninges 4 It is a synonym of headache 5 Encephalitis: brain inflamation. It can be caused by a virues 6 Multiple sclerosis: destruction of the myelin sheath. 7 Anxiety: Mental disorder characterized by a lot of concern and insecurity 8 Epilepsy: appearance of abnormal electric activity in the brain 9 Poliomyelitis: virus that atacts the bone marrow and provoques muscular athrophy and paralysis. 10 Depression: mental disorder characterized by sadness.