Aschelminthes
A former phylum of the Metazoa that included the class Nematoda and a disparate assortment of other pseudocelomates, each now accorded separate phylum status; they are nonsegmented, bilaterally symmetric, and cylindric or filiform, with a pseudocele body cavity and rounded or pointed ends; they vary considerably in size, and the male is usually smaller than the female.

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Asc·hel·min·thes .ask-.(h)el-'min-.thēz n pl in some classifications a phylum of pseudocoelomate animals including the major taxa Rotifera, Gastrotricha, Kinorhyncha, Nematoda, Nematomorpha, and sometimes the Acanthocephala all of which are sometimes regarded as independent phyla

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Asc·hel·min·thes (ask″həl-minthґēz) a phylum of unsegmented, bilaterally symmetrical, pseudocoelomate, mostly wormlike animals whose bodies are almost entirely covered with a cuticle; they and possess a complete digestive tract that lacks definite muscular walls. The phylum includes the classes Gastrotricha, Kinorhyncha, Nematoda, Nematomorpha, and Rotifera.

Medical dictionary. 2011.

Look at other dictionaries:

  • Aschelminthes — ⇒ Nemathelminthes …   Deutsch wörterbuch der biologie

  • Aschelminthes — Ce taxon est aujourd hui obsolète …   Wikipédia en Français

  • Aschelminthes — Dieser Artikel oder Abschnitt bedarf einer Überarbeitung. Näheres ist auf der Diskussionsseite angegeben. Hilf mit, ihn zu verbessern, und entferne anschließend diese Markierung. Für die systematische Einteilung der Lebewesen existieren… …   Deutsch Wikipedia

  • Aschelminthes — noun unsegmented worms: roundworms; threadworms; eelworms • Syn: ↑Nematoda, ↑phylum Nematoda, ↑phylum Aschelminthes • Hypernyms: ↑phylum • Member Holonyms: ↑Animalia, ↑ …   Useful english dictionary

  • Aschelminthes — См. aschelminths …   Dictionary of invertebrate zoology

  • Aschelminthes — /ask hel min theez/, n. Zool. a major grouping (formerly a phylum) of small to microscopic pseudocoelomate organisms, as the rotifers, nematodes, and gastrotriches, all of which are now classified as separate phyla. [ < NL; see ASC , HELMINTH,… …   Universalium

  • aschelminthes — asc·hel·min·thes …   English syllables

  • phylum Aschelminthes — noun unsegmented worms: roundworms; threadworms; eelworms • Syn: ↑Nematoda, ↑phylum Nematoda, ↑Aschelminthes • Hypernyms: ↑phylum • Member Holonyms: ↑Animalia, ↑ …   Useful english dictionary

  • Aschelminthe — Aschelminthes Aschelminthes …   Wikipédia en Français

  • Pseudocoelomata — Aschelminthes Aschelminthes …   Wikipédia en Français

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