Method: The capillary permeability of inner ear was compared between the normal group and the salicylate ototoxicity group traced with lanthanum by electron microscopy.

• 方法:采用硝酸镧作为示踪剂电镜下观察正常对照组与水杨酸钠组内耳基底膜螺旋血管、血管纹和内淋巴囊毛细血管的血管通透性。