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rheotaxis

   Also found in: Medical, Encyclopedia, Wikipedia 0.01 sec.
rhe·o·tax·is  (r-tkss)
n.
Movement of an organism in response to a current of water or air.

rheo·tactic (-tktk) adj.

rheotaxis [ˌriːəˈtæksɪs]
n
(Life Sciences & Allied Applications / Biology) movement of an organism towards or away from a current of water
rheotactic  [ˌriːəˈtæktɪk] adj

rheotaxis
the tendency of certain living things to move in response to the mechanical stimulus of a current of water.
See also: Motion
the tendency of some plants to respond to a current of water by growing with it (positive rheotaxis) or against it (negative rheotaxis).
See also: Water


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Asterias rubens shows positive rheotaxis moving upstream in the presence of water currents to locate its prey (Castilla & Crisp 1973) and uses tidal currents to detect and move towards mussel populations (Dare 1982).
Morphological development in relation to photo-taxis and rheotaxis in the striped jack, Pseudocaranx dentex.
 
 
 
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