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Eustachian tube noun

  /ju.ˈsteɪʃən ˈtjuːb/ , /ju.ˈsteɪʃən ˈtuːb/
  • (anatomy) In humans and other land vertebrates, a tube that links the nasopharynx to the cavity of the middle ear to allow the equalization of the pressure on both sides of the eardrum.
 trompe auditive, trompe d’Eustache, tube auditif
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