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# Agonists and Antagonists - **Agonist** is a drug capable of stimulating receptors and mimicking endogenous transmitters. - **Antagonist** is the drug that blocks a receptor and therefore blocks the action of the endogenous transmitter (i.e. it will prevent the natural chemical from acting on the...

# Agonists and Antagonists - **Agonist** is a drug capable of stimulating receptors and mimicking endogenous transmitters. - **Antagonist** is the drug that blocks a receptor and therefore blocks the action of the endogenous transmitter (i.e. it will prevent the natural chemical from acting on the receptor). | | | | |---|---|---| | Agonist | Agonist & Antagonist | Antagonist |