| 释义 |
galvanotaxis Biol.|ˌgælvənəʊˈtæksɪs|
[mod.L., f. galvano- + Gr. τάξις arrangement.]
The disposition exhibited by certain organisms of movement in relation to the direction of an electric current or field. Hence ˌgalvanoˈtactic a.
1899F. S. Lee tr. Verworn's Gen. Physiol. v. 455 Galvanotaxis. It is characteristic of the galvanic current that it always calls out phenomena of polar excitation. 1905Galvanotactic [see anodic a. 3]. 1961New Scientist 3 Aug. 278 The voltage gradient across the width of the fish is sufficient to induce galvanotaxis and turn it in the direction of the positive electrode. 1965Ibid. 29 Apr. 303/1 The orientation of the whole organism during exposure to direct current—the phenomenon known as ‘galvanotactic’ or ‘electrotactic’ response. |