中国医科大学神经病学英文课件 normal symptoms of neural system.pptVIP

Neurology 郭阳 二 Sensation of pain and temperature浅感觉传导通路 impuse刺激 ↓ peripheral nerves周围神经 ↓ dorsal root ganglion (first neuron) 后根节 ↓ dorsal root后根 ↓ posterior horn后角of spinal cord (second neuron) ╳ lateral spinothalamic tract脊髓丘脑侧束 ↓ thalamus (third neuron) 丘脑 ↓ internal capsule内囊 ↓ postcentral gyrus of parietal labe枕叶中央后回 五感觉障碍分类 ① 抑制性症状 ②刺激性症状 感觉过敏hypersthesia 感觉倒错dysesthesia 感觉过度hyperpathia 感觉异常paresthesia 疼痛local pain 局部性 放射性 扩散性 牵涉性 瘫痪 paralysis 2临床表现signs of the LMN lesion 弛缓性瘫flaccid paralysis of the involved musciles flaccidity 肌肉萎缩muscle atrophy 肌束颤动或肌纤维性敲颤动fasciculation fibrillation 腱反射减弱或消失tonden reflexes nequtive 电生理改变change in electrical excitability showing of conductin dererdated 痉挛性瘫痪 spastic paralysis 不自主运动Involuntary movements Static termory Chorea Athetosis Hemiballismus Dystonia Gilles de la tourette systerm 共济失调ataxia Cerebellar ataxia 一fundion the coordination of movement and the muscular contractions required to mainfain posture 二Each cerebellar hemisphere controls the ipsilateral side of the body Cerebral ataxia Sensory ataxia Romberg sing Vetiginous ataxia 痉挛性瘫(上运动神经元瘫;中枢瘫) 一 motor pathyway 额叶中央前回precentral gyrus of frontal lobe (areas 4 and 6) ↓锥体束pryamidal tract internal capsule ↓ corticospinal tract 皮质脊髓束 ↓ ╳ medulla 前束