any blood cell that contains a nucleus. In health there are three major subdivisions: granulocyte, lymphocyte and monocyte, which are involved in protecting the body against foreign substances and in antibody production. In disease, a variety of other types may appear in the blood, most notably immature forms of the normal red or white blood cells.

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leu·co·cyte (looґko-sīt) leukocyte.

Medical dictionary. 2011.

Look at other dictionaries:

  • leucocyte — [ løkɔsit ] n. m. • 1855; de leuco et cyte ♦ Biol. Globule blanc du sang, arrondi et pourvu d un noyau. Leucocytes polynucléaires, présentant des granulations cytoplasmiques. ⇒ granulocyte; basophile, éosinophile, neutrophile. Leucocytes… …   Encyclopédie Universelle

  • leucocyte — leucocyte; pro·leucocyte; …   English syllables

  • Leucocyte — Leu co*cyte (l[=u] k[ o]*s[imac]t), n. [Leuco + Gr. ky tos a hollow vessel.] (Physiol.) A colorless corpuscle, as one of the white blood corpuscles, or those found in lymph, marrow of bone, connective tissue, etc. [1913 Webster] Note: They all… …   The Collaborative International Dictionary of English

  • leucocyte — (also leukocyte) ► NOUN Physiology ▪ a colourless cell which circulates in the blood and body fluids and is involved in counteracting foreign substances and disease; a white (blood) cell. ORIGIN from Greek leukos white + kutos vessel …   English terms dictionary

  • leucocyte — UK [ˈluːkəsaɪt] / US [ˈlukəˌsaɪt] noun [countable] Word forms leucocyte : singular leucocyte plural leucocytes biology a white blood cell …   English dictionary

  • Leucocyte — Une photo prise au MEB d un échantillon de sang humain circulant. On distingue de nombreux globules rouges sous forme de disques aplatis biconcaves, ainsi que de nombreux types de globules blancs : des lymphocytes, un monocyte, un… …   Wikipédia en Français

  • LEUCOCYTE — n. m. T. de Biologie Globule blanc du sang …   Dictionnaire de l'Academie Francaise, 8eme edition (1935)

  • leucocyte — white blood cells that fight infection. Includes granulocytes (with granules) and lymphocytes, monocytes ad thrombocytes …   Dictionary of ichthyology

  • leucocyte — see plasmatocyte …   Dictionary of invertebrate zoology

  • leucocyte — (= leukocyte (USA) ) Generic term for a white blood cell. See basophil, eosinophil, lymphocyte, monocyte, neutrophil …   Dictionary of molecular biology

  • leucocyte — leucocytic, adj. /looh keuh suyt /, n. Immunol. leukocyte. * * * …   Universalium

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