1. 耳膜：外耳与中耳含气腔分隔处是耳膜(eardrum),确切地说是鼓膜(tympanic membrane). 经外耳道可见鼓膜略凹陷,并且鼓膜能感应很宽频谱内的微小声压变化. 耳膜的紧张度由鼓膜张肌(tensor tympani)控制,鼓膜张肌牵拉着附于鼓膜内侧面的锤骨柄.

2. eardrum什么意思

2. 鼓膜：声音是由外耳 (outer ear) 收集,传到中耳 (middle ear) 的耳鼓膜 (eardrum) ,令豉膜振动,透过内耳的三条小骨传到内耳 (inner ear) 的耳蜗 (cochlea) ,耳蜗内的液体随著振动,耳蜗内的细小毛细胞 (hair cells) 因而振动,产生电波,

3. 耳骨膜：tube 耳咽管 | Eardrum 耳骨膜 | Eustachian 欧式管

4. 中耳, 鼓膜：earache 耳痛 | eardrum 中耳, 鼓膜 | earlobe 耳垂

1. 耳膜;鼓膜
    Your eardrums are the thin pieces of tightly stretched skin inside each ear, which vibrate when sound waves reach them.

1. the membrane in the ear that vibrates to sound

    Synonym: tympanumtympanic membranemyringa