| 释义 |
耳咽管ěryānguǎn从中耳向下通咽部的管子,由骨和软骨构成,有调节鼓膜内外压力的作用。{Eustachian tube; otopharyngeal tube; passage that runs from the middle ear into the throat, composed of bone and cartilage, capable of balancing air pressure on both sides of the eardrum;}也叫also咽鼓管{yāngǔguǎn}。 |