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Cochlear

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이 집합의 용어 (4)

  • The depolarization of what cell causes action potential in cochlear nerve?

    Cochlear hair cell

  • What parts does the ear consist of?

    External ear (tympanic membrane) middle ear + auditory ossicles (oval window) internal ear (coclear duct)

  • How does sound propagate through the ear?

    -Sound waves vibrate tympanic membrane

    -Vibrations > auditory ossicles

    -Auditory ossicles push on oval window

    -Sound waves move fluid > vibrations reach cochlear duct

  • How does sound go from cochlear duct to brain?

    -Cochlear hair cells in cochlear duct move and bend stereocillia

    -Graded depolarization > neurotransmitters released

    -Associated cochlear nerve fibers > action potential

    -Impusle > cochlear nerve > medulla > thalamus > primary auditory cortex (temporal lobe)