耳じ石せき

noun

otolith; statolith; statoconium

Anatomical term for the calcium carbonate particles in the inner ear that detect gravity and linear acceleration. Used in biology, medicine, and related fields.

• 耳じ石せきは平へい衡こう感かん覚かくに関かん係けいしている。

  Otoliths are involved in the sense of balance.

• 魚さかなの耳じ石せきを調しらべると年ねん齢れいがわかる。

  Examining a fish's otoliths reveals its age.