| Cestoidea | The tapeworms, a class of platyhelminth flatworms characterised by lack of an alimentary canal and, in typical forms (subclass Cestoda), by a segmented body with a scolex or holdfast organ at one end; adult worms are vertebrate parasites, usually found in the small intestine. Origin: G. Kestos, girdle, + eidos, form (05 Mar 2000) |
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