Cestoidea /Ces·toi·dea/ (ses-toi´de-ah) a class of tapeworms (phylum Platyhelminthes), characterized by the absence of a mouth or digestive tract, and by a noncuticular layer covering their bodies.
Ces·toi·de·a (s s-toi d - )n. A class of flatworms characterized by lack of an alimentary canal and, in typical forms, by a segmented body with a scolex at one end; adult worms are vertebrate parasites, usually found in the small intestine. |
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