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