球きゅう形けい嚢のう

noun

sacculus; saccule

Anatomical term for the smaller of the two otolith organs in the inner ear, involved in balance and detecting vertical acceleration.

• 球きゅう形けい嚢のうは内ない耳じの前ぜん庭ていにある平へい衡こう感かん覚かくに関かかわる器き官かんです。

  The sacculus is an organ in the vestibule of the inner ear involved in the sense of balance.