岩小神经由鼓室神经丛发出后，穿过耳蜗窗与前庭窗之间，越过鼓膜张肌窝，走向耳神经节。
The lesser petrosal nerve comes from the tympanic plexus running between cochlear window and vestibular window, over recess of tensor sympani muscle and toward otogaglion .
在圆窗龛局部应用庆大霉素三小时后，从耳蜗顶部获取的连续样本结果决定庆大霉素的浓度。
Gentamicin concentration was determined in sequential apical samples that were taken after up to 3 hours of local application to the round window niche.
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