Nematocyst Nem"a*to*cyst, n. [Nemato- + cyst.] (Zo["o]l.) A lasso cell, or thread cell. See {Lasso cell}, under {Lasso}. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

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  • nematocyst — (n.) 1875, from nemato , comb. form of Gk. nema, nematos thread (gen. nematos), from stem of nein to spin (see NEEDLE (Cf. needle) (n.)) + CYST (Cf. cyst) …   Etymology dictionary

  • nematocyst — [nem′ə tō sist΄] n. [ NEMATO + CYST] any of the intracellular stinging structures characteristic of all cnidarians, as the jellyfish: it contains a threadlike sting nematocystic adj …   English World dictionary

  • nematocyst — (= cnidocyst) Stinging mechanism used for defence and prey capture by Hydra and other members of the Cnidaria (Coelenterata). It is located within a specialized cell, the nematocyte and consists of a capsule containing a coiled tube. When the… …   Dictionary of molecular biology

  • nematocyst — nematocystic, adj. /nem euh teuh sist , ni mat euh /, n. Zool. an organ in coelenterates consisting of a minute capsule containing an ejectable thread that causes a sting. [1870 75; NEMATO + CYST] * * * ▪ biology       minute, elongated, or… …   Universalium

  • nematocyst — noun Etymology: International Scientific Vocabulary Date: 1875 one of the stinging organelles of coelenterates used in catching prey …   New Collegiate Dictionary

  • nematocyst — См. cnida …   Dictionary of invertebrate zoology

  • nematocyst — noun A capsule, in certain cnidarians, containing a barbed, threadlike tube that delivers a paralyzing sting Syn: cnidocyte …   Wiktionary

  • nematocyst — A stinging cell of coelenterates consisting of a poison sac and a coiled barbed sting capable of being ejected and penetrating the skin of an animal on contact; of considerable consequence in large jellyfish and in the Portuguese man of war whose …   Medical dictionary

  • nematocyst — nemÉ™tÉ™sɪst ,nɪ mæt n. organ in coelenterates that contains a long very thin stinging appendage, lasso cell …   English contemporary dictionary

  • nematocyst — [nɪ matə(ʊ)sɪst, nɛmət ] noun Zoology a specialized cell in the tentacles of a jellyfish or other coelenterate, containing a barbed or venomous coiled thread that can be projected in self defence or to capture prey …   English new terms dictionary

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