1. 除60d15s组两肌的线粒体和运动终板已基本恢复正常外，其他各组眼轮匝肌线粒体和运动终板的病变程度均较口轮匝肌明显。
The mitochondria and motor endplate of the two muscles rehabilitated in the 60d 15s group. In the other groups, the degree of injury of mitochondria and motor endplate was more serious in musculus orbicularis oculi than in musculus orbicularis oris.