epistome

n. (甲壳类动物的)口上板,(昆虫的)口上突, 口上片

词形变化

epistomes 复数 epistomes

别名

epistoma

释义与例句

n.
  1. 1.

    a mouth-covering lobe or ridge in bryozoans and phoronids

    生物 动物学
  2. 2.

    a plate in front of the mouth of some types of crustacean

词源

New Latin epistoma, corresponding to epi- + -stome.

来源：wiktionary