Eustachian tube

//juˈsteɪʃən ˈtjuːb// noun

Definitions

Noun
  1. 1
    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.
  2. 2
    Alternative letter-case form of Eustachian tube. alt-of
  3. 3
    either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum wordnet

Etymology

Named after Italian scientist Bartolomeo Eustachi.

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