Definition of nematode Nematode

/nɛˈmʌtowˌd/ - [nemutowd] - nem•a•tode

We found 7 definitions of nematode from 6 different sources.

What does nematode mean?

Noun Plural: nematodes
nematode - unsegmented worms with elongated rounded body pointed at both ends; mostly free-living but some are parasitic
		nematode worm, roundworm
		worm 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
		aschelminthes, nematoda, phylum aschelminthes, phylum nematoda unsegmented worms: roundworms; threadworms; eelworms
		ascaris lumbricoides, common roundworm intestinal parasite of humans and pigs
		ascaridia galli, chicken roundworm intestinal parasite of domestic fowl
		enterobius vermicularis, pinworm, threadworm small threadlike worm infesting human intestines and rectum especially in children
		eelworm any of various small free-living plant-parasitic roundworms
		tylenchus tritici, wheat eel, wheat eelworm, wheatworm small roundworm parasitic on wheat
		trichina, trichinella spiralis parasitic nematode occurring in the intestines of pigs and rats and human beings and producing larvae that form cysts in skeletal muscles
		hookworm parasitic bloodsucking roundworms having hooked mouth parts to fasten to the intestinal wall of human and other hosts
		filaria slender threadlike roundworms living in the blood and tissues of vertebrates; transmitted as larvae by biting insects

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nematode
A group of unsegmented worms which have been variously recognized as an order, class, and phylum.
nematode
One of the most common phyla of animals, with over 80,000 different described species (of which over 15,000 are parasitic). They are ubiquitous in freshwater, marine, and terrestrial environments, where they often outnumber other animals in both individual and species counts, and are found in locations as diverse as Antarctica and oceanic trenches.

The roundworms or nematodes (phylum Nematoda) are the most diverse phylum of pseudocoelomates, and one of the most diverse of all animals. Nematode species are very difficult to distinguish; over 80,000 have been described, of which over 15,000 are parasitic. It has been estimated that the total number of described and undescribed roundworms might be more than 500,000.