Cnida Cni"da (n[imac]"d[.a]), n.; pl. {Cnid[ae]} (n[imac]"d[=e]). [NL., fr. Gr. kni`dh nettle, sea nettle.] (Zo["o]l.) One of the peculiar stinging cells found in C[oe]lenterata; a nematocyst; a lasso cell. [1913 Webster] ||

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

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  • cnida cnidae — pl; see nematocyst …   Dictionary of invertebrate zoology

  • cnidarian — /nuy dair ee euhn/, n. 1. any invertebrate animal, as a hydra, jellyfish, sea anemone, or coral, considered as belonging to the phylum Cnidaria, characterized by the specialized stinging structures in the tentacles surrounding the mouth; a… …   Universalium

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  • 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

  • Cnidaria — Cni*da ri*a (n[i^]*d[=a] r[i^]*[.a]), n. pl. [NL. See {Cnida}.] (Zo[ o]l.) A comprehensive group equivalent to the true C[oe]lenterata, i. e., exclusive of the sponges. They are so named from presence of stinging cells (cnidae) in the tissues.… …   The Collaborative International Dictionary of English

  • ТИП КИШЕЧНОПОЛОСТНЫЕ (COELENTERATA) —          ОБЩАЯ ХАРАКТЕРИСТИКА         Кишечнополостные самые низко организованные из числа настоящих многоклеточных животных. Тело кишечнополостных состоит из двух слоев клеток эктодермы и энтодермы, между которыми имеется более или менее… …   Биологическая энциклопедия

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