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Definition of Nematoda
1. Noun. Unsegmented worms: roundworms; threadworms; eelworms.
Exact synonyms: Aschelminthes, Phylum Aschelminthes, Phylum Nematoda
Group relationships: Animal Kingdom, Animalia, Kingdom Animalia
Member holonyms: Helminth, Parasitic Worm, Aphasmidia, Class Aphasmidia, Class Phasmidia, Phasmidia, Nematode, Nematode Worm, Roundworm, Ascaridae, Family Ascaridae, Family Oxyuridae, Oxyuridae, Cephalobidae, Family Cephalobidae, Family Tylenchidae, Tylenchidae, Ancylostomatidae, Family Ancylostomatidae, Family Filariidae, Filariidae, Dracunculidae, Family Dracunculidae
Generic synonyms: Phylum
Group relationships: Animal Kingdom, Animalia, Kingdom Animalia
Member holonyms: Helminth, Parasitic Worm, Aphasmidia, Class Aphasmidia, Class Phasmidia, Phasmidia, Nematode, Nematode Worm, Roundworm, Ascaridae, Family Ascaridae, Family Oxyuridae, Oxyuridae, Cephalobidae, Family Cephalobidae, Family Tylenchidae, Tylenchidae, Ancylostomatidae, Family Ancylostomatidae, Family Filariidae, Filariidae, Dracunculidae, Family Dracunculidae
Generic synonyms: Phylum
Medical Definition of Nematoda
1. A class of unsegmented helminths with fundamental bilateral symmetry and secondary triradiate symmetry of the oral and oesophageal structures. Many species are parasites. (12 Dec 1998)