geotaxis


Also found in: Dictionary, Thesaurus, Legal, Encyclopedia, Wikipedia.
Related to geotaxis: thermotaxis

geotaxis

 [je″o-tak´sis]
taxis in response to gravity; movement influenced by gravity.

ge·o·tax·is

(jē'ō-tak'sis),
A form of positive barotaxis in which there is a tendency to growth or movement toward or into the earth.
Synonym(s): geotropism
[geo- + G. taxis, orderly arrangement]

geotaxis

(jē′ō-tăk′sĭs)
n.
Movement of a motile organism using the earth's gravity for orientation.

ge′o·tac′tic (-tĭk) adj.
ge′o·tac′ti·cal·ly adv.

geotaxis

a type of animal movement (not growth) in which the body becomes orientated in relation to the force of gravity. For example, fruit flies exhibit negative geotaxis, moving upwards in the culture bottle, away from the gravitational force.

geotaxis

Mentioned in ?
References in periodicals archive ?
The effect of salinity upon phototaxis and geotaxis in a larval crustacean.
A study by Yasuda (1995) suggests that females are attracted to flush, while males might tend to settle on flush through positive phototaxis and/or negative geotaxis.
Very low doses of the chemicals together delayed ear opening, affected geotaxis, and reduced grip strength.