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 .

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。

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Results The located structures of the middle ear in the guinea pig include tympanic membrane, ossicular chain, oval window, round window, tympanic foramen of eustachian tube, facial nerve, etc;

结果在豚鼠的颞骨标本上准确定位出下列中耳结构：鼓膜、听骨链、卵圆窗、圆窗、咽圆窗鼓管鼓口、面神经等；

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