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Eustachian   Listen
adjective
Eustachian  adj.  (Anat.)
(a)
Discovered by Eustachius.
(b)
Pertaining to the Eustachian tube; as, Eustachian catheter.
Eustachian catheter, a tubular instrument to be introduced into the Eustachian tube so as to allow of inflation of the middle ear through the nose or mouth.
Eustachian tube (Anat.), a passage from the tympanum of the ear to the pharynx. See Ear.
Eustachian valve (Anat.), a crescent-shaped fold of the lining membrane of the heart at the entrance of the vena cava inferior. It directs the blood towards the left auricle in the fetus, but is rudimentary and functionless in the adult.






Collaborative International Dictionary of English 0.48








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"Eustachian" Quotes from Famous Books



... has few first class discoveries. Anatomy has been a growth of observation and description—not discovery. Vesalius and Eustachius may be considered the fathers of modern anatomy, and the name of the latter is immortalized by the Eustachian tube, which he first recognized and described. But the Fallopian tubes, named after Fallopius, were not his discovery. They had been described long before by Herophilus and others. Eustachius was nearly two centuries ...
— Buchanan's Journal of Man, March 1887 - Volume 1, Number 2 • Various



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