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    #1

    displace its surface?

    "Sound vibrations are channelled into the ear by the pinna, travel up the ear canal, and strike the tympanic membrane, displacing its surface."

    How can sound displace tympanic membrane's surface? What does this mean?
    Last edited by Eway; 04-Oct-2006 at 06:09. Reason: typo

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    #2

    Re: displace its surface?

    Making it vibrate?

  1. MikeNewYork's Avatar
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    #3

    Re: displace its surface?

    Quote Originally Posted by Eway View Post
    "Sound vibrations are channelled into the ear by the pinna, travel up the ear canal, and strike the tympanic membrane, displacing its surface."

    How can sound displace tympanic membrane's surface? What does this mean?
    The tympanic membrane moves/vibrates in response to sound vibrations.

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