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peristome是什么意思

peristome

美['perɪˌstoʊm]  英['perɪstəʊm]
n.  齿毛;口缘;开口部
  形容词:peristomal

英英释义

Noun
  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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