Aschelminthes


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Aschelminthes

 [ash″el-min´thēz]
a phylum of unsegmented, bilaterally symmetrical worms whose bodies are almost entirely covered with a cuticle; the class nematoda (roundworms) contains many important parasites.

Asc·hel·min·thes

(ask'hel-min'thēz),
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.

Aschelminthes

/Asc·hel·min·thes/ (ask″hel-minth´ēz) a phylum of unsegmented, bilaterally symmetrical, pseudocoelomate, mostly vermiform animals whose bodies are almost entirely covered with a cuticle, and which possess a complete digestive tract lacking definite muscular walls.

Aschelminthes

An obsolete phylum, the members of which are now classified in separate phyla, including Acanthocephala, Gastrotricha, Nematoda, Nematomorpha, Rotifera and others.