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flatworm

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.01 sec.
flatworm /flat·worm/ (flat´wurm) an individual organism of the phylum Platyhelminthes.
flat·worm (fltwûrm)
n.
Any of various worms of the phylum Platyhelminthes, including the parasitic tapeworms and flukes, characteristically having a soft, flat, bilaterally symmetrical body and no body cavity. Also called platyhelminth.

flatworm [flat´werm]
an individual organism of the phylum platyhelminthes; those parasitic in humans include tapeworms and flukes. Called also platyhelminth.

flatworm
any worm of the phylum Platyhelminthes—the flukes or trematodes, and the cestodes or tapeworms of domestic animals.


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The tiny flatworm Planaria can be cut into as many as 32 pieces, each of which will grow into a whole new animal complete with eyes, mouth and internal organs.
Runoff from fertilisers into ponds encourages the proliferation of snails that are a natural host to the flatworm parasites, they say.
An example is the New Zealand flatworm which has colonised large areas of Ireland and Scotland since its accidental introduction in the 1960s.
 
 
 
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