spiny headed worms

  • 1spiny-headed worm — /spuy nee hed id/ any of a small group of endoparasites of the phylum Acanthocephala, as larvae parasitic in insects and crustaceans and as adults in various vertebrates. [1945 50] * * * Introduction also called  acanthocephalan        any animal …

    Universalium

  • 2spiny-headed worm — noun Date: 1946 any of a small phylum (Acanthocephala) of unsegmented parasitic worms that have a proboscis bearing hooks by which attachment is made to the intestinal wall of the host …

    New Collegiate Dictionary

  • 3spiny-headed worm — noun any of various worms living parasitically in intestines of vertebrates having a retractile proboscis covered with many hooked spines • Syn: ↑acanthocephalan • Hypernyms: ↑worm • Member Holonyms: ↑Acanthocephala, ↑phylum Acanthocephala * * *… …

    Useful english dictionary

  • 4worm — wormer, n. wormlike, wormish, adj. /werrm/, n. 1. Zool. any of numerous long, slender, soft bodied, legless, bilaterally symmetrical invertebrates, including the flatworms, roundworms, acanthocephalans, nemerteans, gordiaceans, and annelids. 2.… …

    Universalium

  • 5Acanthocephala — Taxobox name = Acanthocephala image width = 240px image caption = Adult Pomphorhynchus in a Bluefish ( Pomatomus saltatrix ) regnum = Animalia subregnum = Eumetazoa unranked phylum = Bilateria superphylum = Platyzoa phylum = Acanthocephala phylum …

    Wikipedia

  • 6Worm — A worm is a common name given to a diverse group of invertebrate animals that have a long, soft body and no legs. There are hundreds of thousands of species of worms, 2,700 of these are earthworms. Animals which are commonly called worms include… …

    Wikipedia

  • 7circulation — circulable /serr kyeuh leuh beuhl/, adj. /serr kyeuh lay sheuhn/, n. 1. an act or instance of circulating, moving in a circle or circuit, or flowing. 2. the continuous movement of blood through the heart and blood vessels, which is maintained… …

    Universalium

  • 8Animal — Animalia redirects here. For other uses, see Animalia (disambiguation). For other uses, see Animal (disambiguation). Animals Temporal range: Ediacaran Recent …

    Wikipedia

  • 9Invertebrate — The common fruit fly, Drosophila melanogaster, has been the subject of much research An invertebrate is an animal without a backbone. The group includes 97% of all animal species[1] – all animals except those in the …

    Wikipedia

  • 10taxonomy — taxonomic /tak seuh nom ik/, taxonomical, adj. taxonomically, adv. taxonomist, taxonomer, n. /tak son euh mee/, n. 1. the science or technique of classification. 2. Biol. the science dealing with the description, identification, naming, and… …

    Universalium