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Hearing and Balance

Hearing and Balance. Part One. Ear. Outer Auricle External auditory canal Middle Tympanic membrane Ossicles Malleus Incus stapes Oval window Round window Mastoid antrum Pharyngotympanic auditory tube. Inner Bony labyrinth Membranous labyrinth Semicircular canals Vestibule

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Hearing and Balance

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  1. Hearing and Balance Part One

  2. Ear • Outer • Auricle • External auditory canal • Middle • Tympanic membrane • Ossicles • Malleus • Incus • stapes • Oval window • Round window • Mastoid antrum • Pharyngotympanic auditory tube

  3. Inner • Bony labyrinth • Membranous labyrinth • Semicircular canals • Vestibule • Cochlea

  4. Cochlea • Cochlear duct • Spiral organ of Corti • Physiology of Hearing

  5. Pathway to Brain • Spiral ganglion cell • Vestibulocochlear Cranial Nerve • Midbrain • Temporal Lobe

  6. Sound waves Loudness – intensity, amplitude Tone – pitch, frequency of waves

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