nematode

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roundworm

 [round´werm]
any member of the class nematoda, somewhat resembling common earthworms in appearance; many are found as parasites in humans or other animals. Those most frequently infecting humans include Ascaris lumbricoides (see ascariasis); Enterobius vermicularis (the pinworm; see enterobiasis); the hookworm (see hookworm disease); the filaria (see filariasis); and the trichina (see trichinosis).

nem·a·tode

(nem'ă-tōd),
A common name for any roundworm of the phylum Nematoda.

nematode

/nem·a·tode/ (nem´ah-tōd) a roundworm; any individual of the class Nematoda.

nematode

(nĕm′ə-tōd′, nē′mə-)
n.
Any of numerous worms of the phylum Nematoda, having unsegmented cylindrical bodies often narrowing at each end, and including free-living species that are abundant in soil and water, and species that are parasites of plants and animals, such as eelworms, pinworms, and hookworms. Also called roundworm.

nem′a·tode′ adj.

nematode

[nem′ətōd]
Etymology: Gk, nema + eidos, form
a multicellular, parasitic animal of the phylum Nematoda. All roundworms belong to the phylum, including Ancylostoma duodenale, Ascaris lumbricoides, Enterobius vermicularis, Necator americanus, Strongyloides stercoralis, and several other species.

nematode

Roundworm, see there.

nem·a·tode

(nem'ă-tōd)
A common name for any roundworm of the phylum Nematoda.

nematode

any member of the phylum Nematoda, containing roundworms such as ASCARIS.

Nematode

A type of roundworm with a long, unsegmented body, usually parasitic on animals or plants.

nem·a·tode

(nem'ă-tōd)
A common name for any roundworm of the phylum Nematoda.

nematode

a roundworm; any individual organism of the class Nematoda. Parasitism with any of the worms in this group represents a significant proportion of the diseases of animals. Includes: Ancylostoma, Ascaris, Capillaris, Dictyocaulus, Dioctophyma, Dirofilaria, Habronema, Haemonchus, Metastrongylus, Muellerius, Onchocerca, Ostertagia, Oxyuris, Parafilaria, Parascaris, Protostrongylus, Rhabditis, Skrjabinema, Spirocerca, Strongyloides, Strongylus, Syngamus, Thelazia, Trichuris, Toxocara, Trichinella, Trichostrongylus.

nematode galls
hard, fibrous excrescences produced in the seedheads of grasses by chronic inflammation created by an invasion by larvae of grass seed nematodes, e.g. Anguina spp.
grass-seed nematode
the grass seed nematode Anguina lolii infests Wimmera ryegrass and causes a fatal poisoning in animals eating the grass. Called also A. fenesta, A. agrostis. See also loliumrigidum.
References in periodicals archive ?
This finding highlights a mechanism never suspected before: The immune system of nematode worms, although very rudimentary, triggers a response that destroys the worms' neurons.
These microscopic nematode worms attack the weevils' larvae, pupae and young adult.
The researchers studied the genomes of 12 species of Drosophila or fruit fly, four species of nematode worm, and 10 species of primate, including humans.
Sirtuin was first discovered to extend life span in yeast (3) and later discovered to extend the life span of nematode worms and fruit flies.
The tiny Nematode worm, despite appearing to be far-removed from the human species, is a useful tool for scientists who want to explore how our bodies work.
Pine weevil Nematode worms are already being deployed by Forestry Commission Wales but latest research suggests their combined use with insect-killing fungi is far more effective.
Experiments: To investigate lifespan, the researchers compared the longevity of four species of nematode worm (Caenorhabditis elegans, Caenorhabditis briggsae, Caenorhabditis remanei and Caenorhabditis brenneri) and also the expression of DAF-16.
Associated with the inflammatory infiltrates were nematode worms (Figure 2, D).
Dr Foster said: "One reindeer died from a large number of nematode worms in his stomach and showed evidence of lungworm.
A SUBSTANCE secreted by parasitic nematode worms may help provide a more effective treatment for inflammatory types of arthritis.
Wolbachia organisms became noteworthy in tropical medicine when they were found in nematode worms, specifically those causing filariasis.
Manipulating a gene in female nematode worms resulted in their being attracted to other females, wrote University of Utah, Salt Lake City, researchers in Current Biology.