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

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