象ぞう牙げ質しつ

noun

dentin; dentine

Anatomical term for the hard, calcified tissue forming the bulk of a tooth beneath the enamel.

• 象ぞう牙げ質しつはエナメル質しつの下したにある硬かたい組そ織しきです。

  Dentin is the hard tissue beneath the enamel.