| 释义 | flatworm
 flat·wormF0173600 (flăt′wûrm′)n. Any of various parasitic and nonparasitic worms of the phylum Platyhelminthes, such as a tapeworm or a planarian, characteristically having a soft, flat, bilaterally symmetrical body and no body cavity. Also called  platyhelminth.flatworm(ˈflætˌwɜːm) n (Animals) any parasitic or free-living invertebrate of the phylum Platyhelminthes, including planarians, flukes, and tapeworms, having a flattened body with no circulatory system and only one opening to the intestineplat•y•hel•minth(ˌplæt ɪˈhɛl mɪnθ)
 n.   any of various unsegmented worms of the phylum Platyhelminthes, with a soft, flattened body, including the tapeworm, planarian, and trematode. Also called  flatworm.   [1875–80; < New Latin Platyhelmintha flatworm. See platy-, helminth]  plat`y•hel•min′thic, adj.
 flat·worm(flăt′wûrm′) Any of various worms having a flat, unsegmented body that is bilaterally symmetrical. Many flatworms, such as the tapeworm, are parasites. Also called  platyhelminth.ThesaurusTranslations| Noun | 1. |  flatworm - parasitic or free-living worms having a flattened bodyplatyhelminthflame cell - organ of excretion in flatwormsworm - any of numerous relatively small elongated soft-bodied animals especially of the phyla Annelida and Chaetognatha and Nematoda and Nemertea and Platyhelminthes; also many insect larvaephylum Platyhelminthes, Platyhelminthes - flatwormsplanaria, planarian - free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost partstrematode, trematode worm, fluke - parasitic flatworms having external suckers for attaching to a hostcestode, tapeworm - ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates | 
 flatworm
 flatworm:see PlatyhelminthesPlatyhelminthes, phylum containing about 20,000 species of soft-bodied, bilaterally symmetrical, invertebrate animals, commonly called flatworms. There are four classes: the free-living, primarily aquatic class, Turbellaria, and Trematoda, Cestoda, and Monogenea, which are
 ..... Click the link for more information. ; wormworm,
 common name for various unrelated invertebrate animals with soft, often long and slender bodies. Members of the phylum Platyhelminthes, or the flatworms, are the most primitive; they are generally small and flat-bodied and include the free-living planarians (of the class
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 flatworm[′flat‚wərm]  (invertebrate zoology) The common name for members of the phylum Platyhelminthes; individuals are dorsoventrally flattened.flatwormany parasitic or free-living invertebrate of the phylum Platyhelminthes, including planarians, flukes, and tapeworms, having a flattened body with no circulatory system and only one opening to the intestineflatworm
 Synonyms for flatwormnoun parasitic or free-living worms having a flattened bodySynonymsRelated Wordsflame cellwormphylum PlatyhelminthesPlatyhelminthesplanariaplanariantrematodetrematode wormflukecestodetapeworm
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