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