peristome

n. 口缘, 围口部, (藓类的)孢蒴齿

词形变化

peristomes 复数 peristomes

别名

peristoma peristomium

释义与例句

n.
  1. 1.

    One or two rings of tooth-like appendages surrounding the opening of the capsule of many mosses.

    生物 植物学
  2. 2.

    The parts of or surrounding the mouths of numerous invertebrates.

    生物 动物学
  3. 3.

    The lip, or edge of the aperture, of a spiral shell.

词汇关系

名词

上位词 2

structure enation

整体词 2

capsule invertebrate

词源

From peri- + -stome.

来源：wiktionary