Receptor antagonist

   

Antagonists
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Antagonists

In medicine and biology, an antagonist is a substance that inhibits the normal physiological function of a receptor. Many drugs work by blocking the action of endogenous receptor agonists such as hormones and neurotransmitters. Antagonists that compete with an agonist for a receptor are competitive antagonists. Those that antagonize by other means are non-competitive antagonists.

See also

inhibitor

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