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