Anatomy and Physiology of the Ear

Anatomy and Physiology of the Ear

• Three Major Divisions
  • Outer Ear receives sound directs it to the rest of the ear.
    • Pinna - directs sound energy to middle ear and helps perception of the direction.
    • External Auditory Meatus or Canal - 2.5 to 3 cm long, 7 mm wide Resonates at about 2-4K Hz.
    • Tympanic Membrane

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