説明中心

peristome

[ˈpɛrɪstəʊm]

peristome Definition

  • 1the fringe of teeth around the mouth of a capsule in mosses and related plants, typically consisting of two concentric rings that open when dry to release spores
  • 2a ring of cilia around the mouth of certain protozoans, used for feeding or locomotion

Phrases with peristome

  • double peristome

    a peristome consisting of two concentric circles of teeth

    Example

  • a peristome consisting of a single circle of teeth

    Example

  • teeth that make up the peristome

    Example

📌

Summary: peristome in Brief

A 'peristome' [ˈpɛrɪstəʊm] is a fringe of teeth around the mouth of a capsule in mosses and related plants, or a ring of cilia around the mouth of certain protozoans. The peristome consists of two concentric rings that open when dry to release spores. It can be either a double peristome or a single peristome, and its teeth make up the peristome.