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Platyhelminthes
(Encyclopedia)CE5 A. Planaria, representative of the phylum Platyhelminthes B. Internal anatomy of Planaria Platyhelminthes plătˌēhĕlmĭnˈthēz [key], phylum containing about 20,000 species of soft-bodied,...flatworm
(Encyclopedia)flatworm: see Platyhelminthes; worm. ...turbellarian
(Encyclopedia)turbellarian: see Platyhelminthes; planarian. ...trematode
(Encyclopedia)trematode: see fluke; Platyhelminthes. ...cestode
(Encyclopedia)cestode: see Platyhelminthes; tapeworm. ...invertebrate
(Encyclopedia)invertebrate ĭnˌvûrˈtəbrət, –brātˌ [key], any animal lacking a backbone. The invertebrates include the tunicates and lancelets of phylum Chordata, as well as all animal phyla other than Chor...planarian
(Encyclopedia)planarian, common name for several genera of the free-living (turbellarian) flatworms belonging to the order Tricladida, a name that derives from their characteristic three-branched digestive cavities...fluke
(Encyclopedia)fluke, parasitic flatworm of the trematoda class, related to the tapeworm. Instead of the cilia, external sense organs, and epidermis of the free-living flatworms, adult flukes have sucking disks with...Nemertinea
(Encyclopedia)CE5 A. Ribbon worm, representative of the phylum Nemertinea B. Internal anatomy of a ribbon worm Nemertinea nĕmərtĭnˈēə [key], phylum of elongated, often flattened, marine Worms, sometimes c...tapeworm
(Encyclopedia)tapeworm, name for the parasitic flatworms forming the class Cestoda. All tapeworms spend the adult phase of their lives as parasites in the gut of a vertebrate animal (called the primary host). Most ...Browse by Subject
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