三さん半はん規き管かん

noun

semicircular canals

Anatomical term for the three fluid-filled canals in the inner ear that detect rotational movement and help maintain balance.

• 三さん半はん規き管かんが弱よわいと、乗のり物もの酔よいしやすい。

  If your semicircular canals are sensitive, you are prone to motion sickness.

• めまい