1、重点:重点:浅反射:浅反射:w 角膜反射角膜反射w 腹壁反射腹壁反射w 提睾反射提睾反射w 跖跖 反反 射射w 肛门反射肛门反射角膜反射:角膜反射:感受器:角膜感受器:角膜传入神经:三叉神经传入神经:三叉神经中枢:桥脑中枢:桥脑传出神经:面神经传出神经:面神经效应器:眼轮匝肌效应器:眼轮匝肌 。临床意义:临床意义:腰1-2。Cremasteric reflex(CR):Nerves centre:Lumbal spinal cord 1-2.Clinical significance:Bislateral CR extinction:L1-2 injuried;Unilateral CR ed
2、tinction:Pyramidal tract injurid.临床意义:临床意义:w 深反射减弱或消失:周围神经病变、肌肉病变及中枢神经病变的休克期;w 深反射亢进:中枢神经系统病变(伴有病理征)或引起神经系统兴奋性增高的病变(如甲亢)(不伴有病理征)。Clinical SignificancePathologic reflex:Manifestation:Great toe dorsum extension and other four toes sectorly outspreading.Significance:Pyramidal tract injuried阵挛(阵挛(Clonus
3、Clonus):):腱反射增强的极度表现,是拉长某一肌腱后该肌肉所腱反射增强的极度表现,是拉长某一肌腱后该肌肉所发生的节律性收缩,见于锥体束损害发生的节律性收缩,见于锥体束损害。That is a manifestation of incresed tendon reflex。When one muscle tendon is dragged sharply,the muscle could contact rhythmly。w Flexion at the hip and knee in response to forward flexion of the neck()and inability to completely extend the leg().135度 70度