耳咽管 ěryānguǎn eustachian tube Definitions Defs Origin Strokes Stroke Words Sentences Sents 耳咽管 ěryānguǎn eustachian tube A tube connecting the middle ear to the throat that balances air pressure on both sides of the eardrum Cross-References Same as 欧氏管 ōushìguǎn
耳咽管 ěryānguǎn eustachian tube A tube connecting the middle ear to the throat that balances air pressure on both sides of the eardrum Cross-References Same as 欧氏管 ōushìguǎn
