flatworms definitions Webster's 1913 Dictionary Platyelminthes Plat`y*el*min ... cestodes, or tapeworms, the trematodes, and the turbellarians. Called also flatworms.
... r) 3.0 (2005) n 1: free-swimming mostly freshwater flatworms; popular in laboratory studies for the ability to regenerate lost ... 1858 triclad; especially any of various dark-colored freshwater triclad flatworms (family Planariidae) with two eyespots and a triangular head Britannica ... about 3,000 species of widely distributed, mostly free-living flatworms of the family Planariidae and related families (class Turbellaria), usually ...
tapeworm definitions WordNet (r) 3.0 (2005) n 1: ribbonlike flatworms that are parasitic in the intestines of humans and other ... Date: 1706 any of a class (Cestoda) of bilaterally symmetrical flatworms parasitic especially in the intestines of vertebrates — called also cestode ...
trematode definitions WordNet (r) 3.0 (2005) n 1: parasitic flatworms having external suckers for attaching to a host [syn: fluke ... 1859 any of a class (Trematoda) of parasitic usually hermaphroditic flatworms including the flukes • trematode adjective Oxford Reference Dictionary n. any ...
... their crops, or their livestock. Invertebrate pests include some protozoans, flatworms, nematodes, mollusks, arachnids, and especially insects. Mammals and birds can ...
... column, or backbone. They include the protozoans, annelids, cnidarians, echinoderms, flatworms, roundworms, mollusks, and arthropods. More than 90% of living animals ...
... a coelom; especially one belonging to the group comprising the flatworms and nemerteans and characterized by bilateral symmetry and a digestive ...