rheotaxis

noun
rheo·​tax·​is | \ ˌrē-ə-ˈtak-səs How to pronounce rheotaxis (audio) \
plural rheotaxes\ -​ˌsēz How to pronounce rheotaxes (audio) \

Medical Definition of rheotaxis

: a taxis in which mechanical stimulation by a stream of fluid (as water) is the directive factor

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readily or continually undergoing change

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