The three parts of the ear

  • The outer ear: the part that you can see on the side of the head plus the ear canal leading down to the eardrum.
  • The middle ear: the eardrum and ear bones (ossicles), plus the air spaces behind the eardrum and in the mastoid cavities (vulnerable to air pressure).
  • The inner ear: the area that contains the nerve endings for the organs of hearing and balance (equilibrium).
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