Overview
Related questions
Overview
Related questions
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Agonist
An agonist is a chemical that binds to a receptor on a cell and triggers a response by that cell. An agonist usually mimics the action of the naturally occuring substance. An antagonist does just the opposite, blocking the action of the agonist.
Dr. Jennifer Letourneaureviewed this
Critical Care 21 years experience
How long it usually lasts:
Chronic (lasts years to lifelong)
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