卵らん円えん窓そう

noun

oval window; fenestra ovalis

Anatomical term for the membrane-covered opening between the middle ear and the inner ear. Related to 前庭窓 (vestibular window).

See also: 前庭窓

• 卵らん円えん窓そうは中ちゅう耳じと内ない耳じの間あいだにある小ちいさな開かい口こう部ぶです。

  The oval window is a small opening between the middle ear and the inner ear.