by Craig Canby, PhD

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    About the Lecture

    The lecture Cochlea by Craig Canby, PhD is from the course Auditory System and Vestibular System. It contains the following chapters:

    • Cochlea
    • Organ of Corti

    Included Quiz Questions

    1. Scala media
    2. Osseous labyrinth
    3. Scala vestibule
    4. Scala tympani
    5. Membranous labyrinth
    1. Higher concentration of potassium in the endolymph helps in the depolarization of hair cells.
    2. Endolymph is secreted by hair cells.
    3. It increases the ATP requirements of the hair cells.
    4. It helps in the repolarization of hair cells due to higher sodium concentration.
    5. It has very low concentration of potassium which is helpful in depolarization of hair cells.
    1. Its base is sensitized for high frequency sounds.
    2. Its base is sensitized for low frequency sounds.
    3. Hair cells are embedded in the basilar membrane.
    4. It separates the Scala vestibule from the Scala media.
    5. Its apex is sensitized for medium frequency sounds.
    1. Spiral ganglion
    2. Ptrygopalatine ganglion
    3. Stellate ganglion
    4. Ciliary ganglion
    5. Otic ganglion

    Author of lecture Cochlea

     Craig Canby, PhD

    Craig Canby, PhD

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