The experimental model of facial paralysis was made in guinea pigs . Electromyograph was tested and the changes of myelin sheath of nerve fibers were observed by transmission electron microscope .

制作豚鼠面神经麻痹试验模型，应用诱发肌电图测试肌动电位，透射电镜观测神经纤维髓鞘的改变。