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Medical Term:

tachyphylaxis

Pronunciation: tak'i-fi-lak'sis

Definition: Rapid appearance of progressive decrease in response to a given dose after repetitive administration of a pharmacologically or physiologically active substance.

[tachy- + G. phylaxis, protection]

© Copyright 2016 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.
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