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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.

flatworm

[′flat‚wərm]
(invertebrate zoology)
The common name for members of the phylum Platyhelminthes; individuals are dorsoventrally flattened.

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
References in periodicals archive ?
1) A snail eats bird droppings that have flatworm eggs inside.
Traditionally, flatworms used to belong to the phylum Platyhelminthes, which can be subdivided into three clades, viz.
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.
Piers Mitchell, another study author, said ancient farming societies could have inadvertently launched the global transmission of the flatworm parasites, which sicken millions of people every year.
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.
With two other students, write a public health pamphlet informing a community about the health problems that one specific species of flatworm cause.
Activity and habituation in the brain of the polyclad flatworm Freemania litoricola.
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.