Medical Dictionary

tachyphylaxis

noun tachy·phy·lax·is \ˌtak-i-fi-ˈlak-səs\
plural tachy·phy·lax·es \-ˌsēz\

Medical Definition of TACHYPHYLAXIS

:  diminished response to later increments in a sequence of applications of a physiologically active substance (as the diminished pressor response that follows repeated injections of renin)
April 27, 2015
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