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parasitic or free-living worms having a flattened body
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free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost parts
parasitic flatworms having external suckers for attaching to a host
ribbonlike flatworms that are parasitic in the intestines of humans and other vertebrates
flatworm parasitic in liver and bile ducts of domestic animals and humans
fluke that is parasitic on humans and swine; common in eastern Asia
flatworms parasitic in the blood vessels of mammals
tapeworms whose larvae are parasitic in humans and domestic animals
tapeworms parasitic in humans which uses the pig as its intermediate host
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 larvae
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