Method: A model of cerebral cortical infarct was established by means of photochemical reaction. The fluorescein derivative Rose Bengal was injected intravenously. The intact skull surface was stereotaxically illuminated with green laser.

• 方法 :应用光化学反应原理 ,静脉注射光敏染科孟加拉红 ,绿色激光透过颅骨对大鼠脑皮质感觉运动区作定向照射 ,形成脑皮质微血管梗塞模型 ,进行神经功能评分、TTC和HE染色光镜观察、透射电镜观察和原位末端标记。