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peristome    
n. 齿毛,口缘,开口部

齿毛,口缘,开口部

peristome
n 1: (botany) fringe of toothlike appendages surrounding the
mouth of a moss capsule
2: region around the mouth in various invertebrates


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  • Peristome - Wikipedia
    In mosses, the peristome is a specialized structure in the sporangium that allows for gradual spore discharge, instead of releasing them all at once Most mosses produce a capsule with a lid (the operculum) which falls off when the spores inside are mature and thus ready to be dispersed
  • PERISTOME Definition Meaning - Merriam-Webster
    The meaning of PERISTOME is the fringe of teeth surrounding the orifice of a moss capsule
  • Peristome | moss structure | Britannica
    Ecologically, mosses break down exposed substrata, releasing nutrients for the use of more-complex plants that succeed them They also aid in soil erosion control by providing surface cover and absorbing water, and they are important in the nutrient and water economy of some vegetation types
  • Peristome — Grokipedia
    A peristome is an anatomical structure consisting of a fringe or marginal border that encircles the opening of an organ, typically a mouth-like aperture, in diverse organisms across plants, fungi, and animals [1]
  • 2. 5. 2. 3: Bryophyta - Biology LibreTexts
    Most mosses have a structure under the operculum that lines the capsule opening, called the peristome The peristome is a series of cellular flaps (peristome teeth) that line the edge of the capsule opening and aids in spore dispersal via hygroscopic movements
  • peristome - Encyclopedia. com
    peristome A single or double ring of setae (teeth) which fringes the mouth in many types of moss capsule; the peristome can be seen when the lid of a ripe capsule falls or is removed The setae are hygroscopic (absorb moisture from the air)
  • PERISTOME Definition Meaning | Dictionary. com
    PERISTOME definition: the one or two circles of small, pointed, toothlike appendages around the orifice of a capsule or urn of mosses, appearing when the lid is removed See examples of peristome used in a sentence
  • Peristome teeth in moss | PPTX - SlideShare
    It begins by defining the peristome as a teeth-like projection surrounding the capsule mouth in mosses It then describes the different types of peristome teeth structures found across moss species, including orthodontous and nematodontous types
  • Peristome - Academic Dictionaries and Encyclopedias
    In mosses, the peristome is a specialized structure in the sporangium that allows for gradual spore discharge, instead of releasing them all at once Most mosses produce a capsule with a lid (the operculum) which falls off when the spores inside are mature and thus ready to be dispersed





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