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Agonist

Agonist

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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 Letourneau reviewed this

23 year experience in Critical Care

How long it usually lasts:

Chronic (lasts years to lifelong)

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