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antagonist |
Also found in: Medical, Legal, Wikipedia, Hutchinson | 0.02 sec. |
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antagonist 1. any muscle that opposes the action of another 2. a drug that counteracts the effects of another drug antagonist [an′tag·ə‚nist] (biochemistry) A molecule that bears sufficient structural similarity to a second molecule to compete with that molecule for binding sites on a third molecule. (pharmacology) A drug or other chemical substance capable of reducing the physiological activity of another chemical substance; refers especially to a drug that opposes the action of a drug or other chemical substance on the nervous system by combining with and blocking the nerve receptor. (physiology) A muscle that contracts with, and limits the action of, another muscle, called an agonist, with which it is paired. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| It might seem odd to schedule joint appearances with someone whose positions you claim to detest, but at least Fish and D'Souza are mutually civil, which is more than can be said for many other literary antagonists. |
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