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Noun
1. flatworm; platyhelminth
Wikipedia definition
2. FlatwormThe flatworms, known in scientific literature as Platyhelminthes or Plathelminthes (from the Greek πλατύ, platy, meaning "flat" and ἕλμινς, helminth-, meaning worm) are a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrate animals. Unlike other bilaterians, they have no body cavity, and no specialized circulatory and respiratory organs, which restricts them to flattened shapes that allow oxygen and nutrients to pass through their bodies by diffusion.
Read “Flatworm” on English Wikipedia
Read “扁形動物” on Japanese Wikipedia
Read “Flatworm” on DBpedia

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