| 词汇 | eustachian-tube |
| 释义 | Eustachian tube noun[ C ] anatomy specializeduk /juːˌsteɪ.ʃən ˈtʃuːb/ us /juːˌsteɪ.ʃən ˈtuːb/ either of the two passages, located between the middle ear and the back of the nose, that open to allow pressure to be kept equal on both sides of the eardrum耳咽管;咽鼓管 The ear antihelix antitragus audiological audiology auditory tube cochlea eardrum earlobe incus labyrinth labyrinthitis malleus mastoid cell membranous labyrinth organ of Corti round window saccule sacculus semicircular canal snug piercing Alcohol inflames the mucous membrane of the throat, then by its nearness the lining of the Eustachian tube, and finally may injure the delicate apparatus of the internal ear. The air dilates the Eustachian tube, and is forced into the ear-drum. The difficulty as revealed by the post-mortem, lay in a thickening of the membrane of the Eustachian tubes. The inflammation of the mouth and throat is apt to extend up the Eustachian tube, thus impairing the sense of hearing. The irritating smoke filling all the inner cavity of the mouth and throat, readily finds its way up the Eustachian tube, dries the membrane, and irritates or inflames the delicate mechanism of the inner ear. |
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