Perilymph is a clear fluid located in the inner ear, specifically filling the space between the bony labyrinth and the membranous labyrinth. This fluid plays a vital role in the auditory system by transmitting sound waves from the oval window to the cochlea, helping to facilitate hearing. The unique composition of perilymph, which is rich in sodium and low in potassium, allows it to maintain pressure and provide support to the delicate structures of the inner ear.
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