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chemotaxis

/kee-moh-tak-sis, kem-oh-/US // ˌki moʊˈtæk sɪs, ˌkɛm oʊ- //UK // (ˌkɛməʊˈtæksɪs) //

趋化性,趋化作用,趋光性,趋向性

Definitions

n.名词 noun
  1. 1

    Biology.

    • : oriented movement toward or away from a chemical stimulus.

Examples

  • Chemotaxis alone will not explain the continuance of leukocytosis for more than a short time.

  • Non-phagocytic leukocytosis is probably due more to stimulation of blood-making organs than to chemotaxis.

  • Pfeffer in 1883 discovered chemotaxis, the directive action of chemical substances on the movement of mobile organisms.

  • Chemotaxis means simply the effect of the presence of certain substances on vital organisms without specific chemical action.

  • In general, the response of the leukocytes to chemotaxis is a conservative process.