耳管筋の機能に関する実験的研究 : 支配神経の刺戟による耳管筋の態度

概要

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The author made investigations on the existence of the opening of the eustachian tube of the cats and the guinea pigs. The studies were done on two muscles, the tensor and levator veli palatini, . which innervated coming from the trigeminal and facial nerves.The results obtained were as follows.1) Owing to the stimulus of the trigeminal nerve III, the opening of the eustachian tube were 49 cases or 76.6% among of 64 cases.2) Owing to the stimnlus of the facial nerve, the opening eustachian tube were 4 cases or 7.6% among of 52 cases.3) According to the stimulus of both nerve same time, the opening of the eustachian tube were 80.5%, in the cases of no opening of the tube by single stimulus of the trigeminel and the facial nerves.4) On account of the above results, most important muscle were the tensor veli palatini among of the eustachian tube muscles, however the levator veli palatini had the function of the opening of the eustachian tube owing to concerted retraction function.
社団法人日本耳鼻咽喉科学会の論文