咽いん頭とう歯し

noun

pharyngeal tooth; pharyngeal teeth

Anatomical term for teeth located in the pharynx of certain fish and other vertebrates. Often used in the plural form.

• コイ科かの魚さかなは咽いん頭とう歯しで餌えさをすりつぶす。

  Cyprinid fish crush their food with pharyngeal teeth.