from Wiktionary, Creative Commons Attribution/Share-Alike License

  • adj. Of or relating to Bartolomeo Eustachi (1500 or 1514–1574), also known as Eustachius, one of the founders of the science of human anatomy.


Sorry, no etymologies found.


  • It is called the Eustachian tube (e); it serves to equalise the pressure of the air within the tympanic cavity and the outer atmosphere that enters by the external passage.

    The Evolution of Man — Volume 2

  • This cavity communicates with the mouth by means of a duct called the Eustachian tube.

    The Dominion of the Air; the story of aerial navigation

  • Although the tympanic cavity is shut off from the exterior by the tympanum, it nevertheless is not altogether shut off from the exterior, since it communicates with the back of the mouth by a long and narrow canal termed the Eustachian tube.

    The Common Frog

  • That its motion may be free, the air contained within the drum has free communication with the external air by an open passage, called the Eustachian tube, leading to the back of the mouth.

    Popular Education For the use of Parents and Teachers, and for Young Persons of Both Sexes

  • This is because the middle ear is connected to the upper respiratory tract by passages called the Eustachian tubes, and infection can spread to the middle ear by this route.


  • And that is a tiny tube-shaped opening, lined with mucous membranes, that connects the middle ear to the back of the nose, called the Eustachian tube.

    Latest News

  • This tube is called the Eustachian tube "(yoo-stay'kee-an) after the Italian anatomist Bartolommeo Eustachio, who described the structure in 1563; see illustration, page 253.

    The Human Brain

  • In speaking of the ear, Aristotle seems to have been aware of what we now call the Eustachian tube, for he says, "There is no passage from the ear into the brain, but there is to the roof of the mouth." [

    Fathers of Biology

  • It isn't hurting all that much, but the itching is periodically enthralling in a remarkably unpleasant way, and the clogged Eustachian tube is an uncomfortable pressure.

    From Twitter 07-13-2009

  • They took her up in an airplane and made a quick drop down to see if they can open up the Eustachian tube in her ear.

    Ann Meyers Kaplan: Weaving Women's Words: Seattle Stories


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