peristome

Noun
  1. (botany) fringe of toothlike appendages surrounding the mouth of a moss capsule (synset 111706345)
    referred to in: botany, phytology - the branch of biology that studies plants
    is a type of: enation, plant process - a natural projection or outgrowth from a plant body or organ
    is a part of: capsule - a dry dehiscent seed vessel or the spore-containing structure of e.g. mosses
  2. Region around the mouth in various invertebrates (synset 102514141)
    is a type of: anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing and its construction and arrangement
    is a part of: invertebrate - any animal lacking a backbone or notochord; the term is not used as a scientific classification

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