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eustachian tube

 
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  • ID: 14014
  • DATE: 2008-04-22
  • TYPE: WORD
  • TITLE: eustachian tube
  • DESCRIPTION: n. Anatomy. A slender tube that connects the tympanic cavity with the nasal part of the pharynx and serves to equalize air pressure on either side of the eardrum. [After Bartolomeo EUSTACHIO.] (© Houghton Mifflin Company) Usage: Ear infections usually make their way to the middle ear through the eustachian tube.


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