negative chemotaxis
Chemotaxis Chem`o*tax"is, n. Formerly also Chemiotaxis Chem`i*o*tax"is [Chemical + Gr. ? arrangement, fr. ? to arrange.] (Biol.) The sensitiveness exhibited by small free-swimming organisms, as bacteria, zo["o]spores of alg[ae], etc., to chemical substances held in solution. They may be attracted ({positive chemotaxis}) or repelled ({negative chemotaxis}). -- {Chem`o*tac"tic}, a. -- {Chem`o*tac"tic*al*ly}, adv. [Webster 1913 Suppl.]

The Collaborative International Dictionary of English. 2000.

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  • negative chemotaxis — noun movement away from a chemical stimulus • Hypernyms: ↑chemotaxis …   Useful english dictionary

  • negative chemotaxis — movement of a cell or organism from an area of higher concentration of a chemical to an area of lower concentration …   Medical dictionary

  • Chemotaxis — is the phenomenon in which somatic cells, bacteria, and other single cell or multicellular organisms direct their movements according to certain chemicals in their environment. This is important for bacteria to find food (for example, glucose) by …   Wikipedia

  • Chemotaxis — Chem o*tax is, n. Formerly also Chemiotaxis Chem i*o*tax is [Chemical + Gr. ? arrangement, fr. ? to arrange.] (Biol.) The sensitiveness exhibited by small free swimming organisms, as bacteria, zo[ o]spores of alg[ae], etc., to chemical substances …   The Collaborative International Dictionary of English

  • Chemotaxis — Übergeordnet Taxis Antwort auf chemischen Stimulus Untergeordnet positive/negative zelluläre Chemotaxis Axonlenk …   Deutsch Wikipedia

  • Chemotaxis — Che|mo|tạ|xis 〈[ çe ] f.; , ta|xen od. ta|xi|en〉 Anlockung (positive Chemotaxis) od. Abstoßung (negative Chemotaxis) von saprophytischen od. pathogenen Bakterien, Gameten von Algen u. Pilzen sowie Spermatozoiden höherer Pflanzen durch bestimmte… …   Universal-Lexikon

  • chemotaxis — n.; pl. taxes [Gr. chemeia, pert. chemistry; taxis, arrangement] Movement of a motile organism or cell in response to chemical stimulus. a. Positive chemotaxis: movement toward the stimulus; chemotropism. b. Negative chemotaxis: movement from the …   Dictionary of invertebrate zoology

  • chemotaxis — noun movement by a cell or organism in reaction to a chemical stimulus • Hypernyms: ↑taxis • Hyponyms: ↑negative chemotaxis, ↑positive chemotaxis …   Useful english dictionary

  • chemotaxis — [kē΄ōtak′sis, kem΄ōtaks′is] n. [ModL: see CHEMO & TAXIS] the positive or negative response of certain living cells and organisms to a chemical chemotactic [kē΄ōtak′tik, kem΄ōtak′tik] adj. chemotactically adv …   English World dictionary

  • chemotaxis — 1. Movement of cells or organisms in response to chemicals, whereby the cells are attracted (positive c.) or repelled (negative c.) by substances exhibiting chemical properties. 2. The migration of polymorphonuclear leukocytes and macrophages… …   Medical dictionary

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