rheotaxisn.

Brit.

/ˌriːə(ʊ)ˈtaksɪs/, U.S.

/ˌriəˈtæksɪs/

Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: rheo- comb. form, -taxis comb. form.

Etymology: < rheo- comb. form + -taxis comb. form, after German Rheotaxis (C. Herbst 1894, in Biol. Centralbl. 14 694).

Biology.

The directed movement of a motile cell or organism in response to a current of water (or occasionally air); an instance of this. Cf. rheotropism n.Rheotaxis can be positive: against the current, or negative: with the current.

ΘΚΠ

the world > life > biology > biological processes > movement > movement in response to stimuli > [noun] > in response to other stimuli

rheotropism1884

aerotaxis1895

geotaxis1897

rheotaxis1897

anemotropism1899

electrotaxis1899

anemotaxis1903

mechanosensitivity1969

1897 C. B. Davenport Exper. Morphol. I. iv. 105 (heading) Effect of molar agents in determining the direction of locomotion—thigmotaxis (stereotaxis) and rheotaxis.

1925 Ecology 6 465 The old eels move outward from the Baltic in preparation for spawning, and appear to exhibit a negative rheotaxis.

1951 L. H. Hyman Invertebrates II. x. 213 Planarians that habitually live in flowing water usually exhibit a positive rheotaxis, for obviously without such a reaction they could not maintain themselves in their habitat.

1970 Nature 24 Oct. 375/1 Spermatozoa constrained to move in a fine tube swim preferentially upstream (they exhibit positive rheotaxis) when a current is established in the tube.

1992 Exper. Mycol. 16 119 Slugs orient by rheotaxis in an air stream.

2008 Fisheries Res. 92 23/2 Both cod and king crab use chemically stimulated rheotaxis when they detect and locate baited fishing gear.

This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022).

单词	rheotaxis
释义	rheotaxisn. Brit. /ˌriːə(ʊ)ˈtaksɪs/, U.S. /ˌriəˈtæksɪs/ Origin: Formed within English, by compounding; modelled on a German lexical item. Etymons: rheo- comb. form, -taxis comb. form. Etymology: < rheo- comb. form + -taxis comb. form, after German Rheotaxis (C. Herbst 1894, in Biol. Centralbl. 14 694). Biology. The directed movement of a motile cell or organism in response to a current of water (or occasionally air); an instance of this. Cf. rheotropism n.Rheotaxis can be positive: against the current, or negative: with the current. ΘΚΠ the world > life > biology > biological processes > movement > movement in response to stimuli > [noun] > in response to other stimuli rheotropism1884 aerotaxis1895 geotaxis1897 rheotaxis1897 anemotropism1899 electrotaxis1899 anemotaxis1903 mechanosensitivity1969 1897 C. B. Davenport Exper. Morphol. I. iv. 105 (heading) Effect of molar agents in determining the direction of locomotion—thigmotaxis (stereotaxis) and rheotaxis. 1925 Ecology 6 465 The old eels move outward from the Baltic in preparation for spawning, and appear to exhibit a negative rheotaxis. 1951 L. H. Hyman Invertebrates II. x. 213 Planarians that habitually live in flowing water usually exhibit a positive rheotaxis, for obviously without such a reaction they could not maintain themselves in their habitat. 1970 Nature 24 Oct. 375/1 Spermatozoa constrained to move in a fine tube swim preferentially upstream (they exhibit positive rheotaxis) when a current is established in the tube. 1992 Exper. Mycol. 16 119 Slugs orient by rheotaxis in an air stream. 2008 Fisheries Res. 92 23/2 Both cod and king crab use chemically stimulated rheotaxis when they detect and locate baited fishing gear. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). < n.1897
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