The Collaborative International Dictionary of English. 2000.
flatworms — Classes Trematoda, Turbellaria and Cestoda; Platyhelminthes … Dictionary of invertebrate zoology
flatworms — n. tapeworm, worm with a flat soft body … English contemporary dictionary
Flatworm — Taxobox name = Platyhelminthes image width = 240px image caption = Bedford s flatworm, Pseudobiceros bedfordi regnum = Animalia subregnum = Eumetazoa Body Plan = Bilateria superphylum = Platyzoa phylum = Platyhelminthes phylum authority =… … Wikipedia
flatworm — /flat werrm /, n. any worm of the phylum Platyhelminthes, having bilateral symmetry and a soft, solid, usually flattened body, including the planarians, tapeworms, and trematodes; platyhelminth. [1895 1900; FLAT1 + WORM] * * * or platyhelminth… … Universalium
animal — animalic /an euh mal ik/, animalian /an euh may lee euhn, mayl yeuhn/, adj. /an euh meuhl/, n. 1. any member of the kingdom Animalia, comprising multicellular organisms that have a well defined shape and usually limited growth, can move… … Universalium
Nemertea — For the Romanian village that bears this name, see Gura Teghii. Nemertea … Wikipedia
Planarian — Polycelis felina, a freshwater planarian Planarian is the common name given to many non parasitic flatworms of Turbellaria class.[1] It is also the common name for a member of the genus Planaria within the family Planariidae. Sometimes it also … Wikipedia
regeneration — /ri jen euh ray sheuhn/, n. 1. act of regenerating; state of being regenerated. 2. Electronics. a feedback process in which energy from the output of an amplifier is fed back to the grid circuit to reinforce the input. 3. Biol. the restoration or … Universalium
reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… … Universalium
muscle — muscleless, adj. muscly, adj. /mus euhl/, n., v., muscled, muscling, adj. n. 1. a tissue composed of cells or fibers, the contraction of which produces movement in the body. 2. an organ, composed of muscle tissue, that contracts to produce a… … Universalium
