eustachian tube   (TTS Sound)

The eustachian_tube has 1 Senses.

• eustachian tube, auditory tube
• 耳管
• either of the paired tubes connecting the middle ears to the nasopharynx; equalizes air pressure on the two sides of the eardrum
• 中耳を鼻咽腔につないでいる組み合った管の一方