Methods: Seven guinea pigs were used.After cochlear fenestration and L-Arg injec-tion, image analysis system was used to record autonomic locomotion of micro-vessel of cochlea.

• 方法：豚鼠7只，行耳蜗开窗术后静脉注射L-精氨酸，利用微循环数字图像测量系统录像，观察耳蜗微血管自律运动的频率特性。