Chemiotaxis
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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  • chemiotaxis — SYN: chemotaxis …   Medical dictionary

  • Chemotactic — 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 …   The Collaborative International Dictionary of English

  • Chemotactically — 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 …   The Collaborative International Dictionary of English

  • 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

  • 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 …   The Collaborative International Dictionary of English

  • positive 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 …   The Collaborative International Dictionary of English

  • 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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