Cestoidea

Ces`toid´e`a

(sĕs`toid´ė`å)

n. pl.

(Zool.) A class of parasitic worms of the phylum Platyhelminthes (formerly Platelminthes) of which the tapeworms are the most common examples. The body is flattened, and usually but not always long, and composed of numerous joints or segments, each of which may contain a complete set of male and female reproductive organs. They have neither mouth nor intestine. See Tapeworm.

Cestoidea

[ses-toi´de-ah] a class of tapeworms (phylum Platyhelminthes), characterized by a noncellular cuticular layer covering their bodies and by the absence of a mouth and digestive tract. Those most often infecting humans are in the subclass Cestoda.

Ces·toi·de·a

(ses-toy'dē-ă), The tapeworms, a class of platyhelminth flatworms characterized 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. [G. kestos, girdle, + eidos, form]

Ces·toi·de·a

(ses-toy'dē-ă) The tapeworms, a class of platyhelminth flatworms characterized by lack of an alimentary canal and a segmented body with a scolex or holdfast organ at one end; adult worms are vertebrate parasites, usually found in the small intestine. [G. kestos, girdle, + eidos, form]