(1) (physiology) The result of the interaction between structures, chemical agents, or diseases that have opposing physiological functions or effects

(2) (biochemistry) The reduced overall effect due to the opposing effects of different chemical groups or agents

(3) (cell biology) The binding of a molecule to the target site of the agonist, thus preventing the agonist from exerting its effect (e.g. stimulatory effect) on the target site

(4) (general) The partial or complete suppression of the effect or activity of the other

(5) The overall effect of two (or more) entities combined yet is comparatively smaller or lower than the individual effect of any of them


Word origin: Greek antagṓnisma


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