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agonist |
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agonist [′agĀ·ə‚nist]
(biochemistry) A chemical substance that can combine with a cell receptor and cause a reaction or create an active site. (physiology) A contracting muscle that is resisted or counteracted by another muscle, called an antagonist, with which it is paired. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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