【正文】
Out Hair Cell Out Hair Cell Out Hair Cell Electricity Ionic current flows Inner Hair Cell Cochl233。m amp。 Engstr246。m, 1979) Eustachian tube 耳咽管 ? 長 35~39mm, 小兒減半,鼓室口高于咽口20~25mm, 小兒較短、管腔較大、近水平 The “stiletto” principle (Zemlin, 1988 pp. 457) Lever action principle Hearing process Air conduction氣導(dǎo) Out ear Middle ear Inner ear Nerve Centrum Sound Skull Bone conduction骨導(dǎo) The inner ear 內(nèi)耳 The inner e