中ちゅう耳じ

noun

middle ear; tympanum

Anatomical term for the air-filled space behind the eardrum, containing the ossicles.

• 中ちゅう耳じに炎えん症しょうが起おきると、中ちゅう耳じ炎えんになります。

  When inflammation occurs in the middle ear, it becomes otitis media.