etched manyfilaments of the auditory nerve. The foot plate of thestirrup connects directly with the cochlea so that sound Sound. 177 vibrations striking the ear drum are transmitted to thecochlea, and being taken up by these filaments, producethe sensation of hearing. This arrangement is… … Fig. 143. thrown into sympathetic vibration. The trembling ofthese nerve filaments is transmitted to the auditory nerve,and thence to the brain, where the impressions are received.When the number of vibrations is less than 16 per secondor more than 38,000 per second, the sound is not percep-tible…
Physics
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