But the evidences which support those hypotheses have not yet been available. They are summarized as follows : 1 The tensor tympani muscle contracts not only by acoustic stimulation but also by several kinds of non-acoustic stimulation. New method and new idea to approach to the physiology of. In order to reveal the agreement and controversy on this problem and to find out any cue for further investigation in this field, we revieweda large number of the literature related to thit muscle.。
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