Definition of Eustachian tube in English:

Eustachian tube

nounjuːˌsteɪʃ(ə)n ˈtjuːbjuˈsteɪʃ(i)ən ˌt(j)ub

Anatomy

A narrow passage leading from the pharynx to the cavity of the middle ear, permitting the equalization of pressure on each side of the eardrum.
〔剖〕尤斯泰基氏管，耳咽管，咽鼓管
Example sentencesExamples
- A chronic middle ear infection is caused when bacteria or viruses that get in the nose or throat reach the middle ear through the Eustachian tube (a small tube in the ear).
- What is actually happening is that air is being forced behind the eardrum, via the Eustachian tubes, which connects the middle ear with the throat for passage of air.
- Pressure differences on either side of the eardrum are equalised by the Eustachian tube, a passage that connects the middle ear with the nasal cavity.
- The infection spreads from the nose or throat through the Eustachian tube, a passage between the throat and the middle ear.
- Many children with clefts are especially vulnerable to otitis media because their Eustachian tubes don't drain fluid properly from the middle ear into the throat.

Origin

Mid 18th century: named after Bartolomeo Eustachio (died 1574), the Italian anatomist who identified and described it.

Definition of Eustachian tube in US English:

Eustachian tube

nounjuˈsteɪʃ(i)ən ˌt(j)ubyo͞oˈstāSH(ē)ən ˌt(y)o͞ob

Anatomy

A narrow passage leading from the pharynx to the cavity of the middle ear, permitting the equalization of pressure on each side of the eardrum.
〔剖〕尤斯泰基氏管，耳咽管，咽鼓管
Example sentencesExamples
- A chronic middle ear infection is caused when bacteria or viruses that get in the nose or throat reach the middle ear through the Eustachian tube (a small tube in the ear).
- The infection spreads from the nose or throat through the Eustachian tube, a passage between the throat and the middle ear.
- Pressure differences on either side of the eardrum are equalised by the Eustachian tube, a passage that connects the middle ear with the nasal cavity.
- What is actually happening is that air is being forced behind the eardrum, via the Eustachian tubes, which connects the middle ear with the throat for passage of air.
- Many children with clefts are especially vulnerable to otitis media because their Eustachian tubes don't drain fluid properly from the middle ear into the throat.

Origin

Mid 18th century: named after Bartolomeo Eustachio (died 1574), the Italian anatomist who identified and described it.

单词	Eustachian tube
释义	Definition of Eustachian tube in English: Eustachian tube nounjuːˌsteɪʃ(ə)n ˈtjuːbjuˈsteɪʃ(i)ən ˌt(j)ub Anatomy A narrow passage leading from the pharynx to the cavity of the middle ear, permitting the equalization of pressure on each side of the eardrum. 〔剖〕尤斯泰基氏管，耳咽管，咽鼓管 Example sentencesExamples A chronic middle ear infection is caused when bacteria or viruses that get in the nose or throat reach the middle ear through the Eustachian tube (a small tube in the ear). What is actually happening is that air is being forced behind the eardrum, via the Eustachian tubes, which connects the middle ear with the throat for passage of air. Pressure differences on either side of the eardrum are equalised by the Eustachian tube, a passage that connects the middle ear with the nasal cavity. The infection spreads from the nose or throat through the Eustachian tube, a passage between the throat and the middle ear. Many children with clefts are especially vulnerable to otitis media because their Eustachian tubes don't drain fluid properly from the middle ear into the throat. Origin Mid 18th century: named after Bartolomeo Eustachio (died 1574), the Italian anatomist who identified and described it. Definition of Eustachian tube in US English: Eustachian tube nounjuˈsteɪʃ(i)ən ˌt(j)ubyo͞oˈstāSH(ē)ən ˌt(y)o͞ob Anatomy A narrow passage leading from the pharynx to the cavity of the middle ear, permitting the equalization of pressure on each side of the eardrum. 〔剖〕尤斯泰基氏管，耳咽管，咽鼓管 Example sentencesExamples A chronic middle ear infection is caused when bacteria or viruses that get in the nose or throat reach the middle ear through the Eustachian tube (a small tube in the ear). The infection spreads from the nose or throat through the Eustachian tube, a passage between the throat and the middle ear. Pressure differences on either side of the eardrum are equalised by the Eustachian tube, a passage that connects the middle ear with the nasal cavity. What is actually happening is that air is being forced behind the eardrum, via the Eustachian tubes, which connects the middle ear with the throat for passage of air. Many children with clefts are especially vulnerable to otitis media because their Eustachian tubes don't drain fluid properly from the middle ear into the throat. Origin Mid 18th century: named after Bartolomeo Eustachio (died 1574), the Italian anatomist who identified and described it.
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