Definition of Eustachian tube

1. Noun. Either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum.

Exact synonyms: Auditory Tube
Generic synonyms: Salpinx
Group relationships: Middle Ear, Tympanic Cavity, Tympanum



Definition of Eustachian tube

1. Noun. (anatomy) In humans and other land vertebrates, a tube that links the pharynx to the cavity of the middle ear to allow the equalization of the pressure on both sides of the eardrum. ¹

¹ Source: wiktionary.com

Medical Definition of Eustachian tube

1. A tube that connects the pharynx to the middle ear space allowing for equalisation of pressure across the eardrum. (27 Sep 1997)

Eustachian Tube Pictures

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Lexicographical Neighbors of Eustachian Tube

eurythmies
eurythmy
eurytopic
euscope
euskaltegi
eusocial
eusociality
eusol
eusols
eusporangiate
eusporangium
eustachian
eustachian catheter
eustachian cushion
eustachian tonsil
eustachian tube (current term)
eustachian tuber
eustachian valve
eustachitis
eustacies
eustacy
eustasies
eustasy
eustatic
eustatism
eustele
eusteles
eustelic
eusthenia
eustigmatophyte

Literary usage of Eustachian tube

Below you will find example usage of this term as found in modern and/or classical literature:

1. Report of the Annual Meeting (1862)
"In order to demonstrate this function of the eustachian tube, and also to diagnose its condition in disease, I suggested tho use of an otoscope, ..."

2. Organizations by James G. March, Herbert Alexander Simon (1878)
"DISEASES OF THE eustachian tube. It has been shown by Toynbee and Jago, ... In some cases. lio¬ę1 eustachian tube is more or less permanently open, ..."

3. The American Journal of the Medical Sciences by Southern Society for Clinical Investigation (U.S.) (1885)
"below, the eustachian tube in front, and the antrum behind. The outer apartment is wedge-shaped, wider above and gradually becoming narrower below ..."

4. Proceedings by Philadelphia County Medical Society (1890)
"... and receives the returned blood from the posterior part of the nasal chamber as well as the cartilaginous portion of the eustachian tube. ..."

5. Anatomy, descriptive and surgical by Henry Gray (1867)
"Orifice of the eustachian tube. ... The orifice of the canal for the Tensor tympani, and the orifice of the eustachian tube, are situated at the upper part ..."

6. Anatomy: Descriptive and Surgical by Henry Gray, Thomas Pickering Pick (1897)
"The orifices of the canal for the Tensor tympani and of the eustachian tube are separated from each other by a thin, delicate, horizontal plate of bone, ..."

7. A Text Book of Physiology by Michael Foster (1900)
"The latter, distinctly tubular, is the eustachian tube leading from TT fr b ... E. t. the eustachian tube. TT the groove for the tensor tympani. ..."

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