flatworm


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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
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; 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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.
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flatworm

[′flat‚wərm]
(invertebrate zoology)
The common name for members of the phylum Platyhelminthes; individuals are dorsoventrally flattened.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

flatworm

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 intestine
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
Here is how the woman described her experience of seeing the flatworm:
(1) A snail eats bird droppings that have flatworm eggs inside.
"Fugi is set to change this, by enabling scientists to manipulate flatworm genes in the lab for the first time.
FLATWORMS have fascinated me for more than half a century.
People can catch the flatworm parasite when they are in warm fresh water; the tiny worms are carried by snails and can burrow into human skin.
I love exploring the extraordinary behaviour of red harvester ants, flatworm nematodes, Antarctic penguins, vampire bats, rats and - star of the show - the amoebae dictyostelium discoideum, known as Dicty Disco for short!
Emily's flatworm will be removed tomorrow at Liverpool School of Tropical Medicine.
In planarians stem cells perform amazing regenerative feats: flatworms can rebuild any missing body part.
It's caused by a type of flatworm which had spent part of its life in water snails and the other part in my liver.
The scientists had trained a type of flatworm called planaria to avoid electric shock, by turning on a light just before giving them the jolt.