激动剂 Agonist
（重定向自Full agonist）
![激动剂对受体的性能](/Images/godic/202501/14/激动剂效能5144.png")
激动剂（英语：agonist）是与受体结合并使之激活，产生生理反应的化合物。激动剂按来源分为内源激动剂和外源激动剂，按性能分为完全激动剂、超激动剂、部分激动剂、反激动剂等。
Full agonist
中文百科
英语百科
Agonist 激动剂
（重定向自Full agonist）
![Agonists activating hypothetical receptors.](/Images/godic/202501/14/Agonist_full_and_partial.svg5144.png")
![Efficacy spectrum of receptor ligands.](/Images/godic/202501/14/Efficacy_spectrum5144.png")
An agonist is a chemical that binds to a receptor and activates the receptor to produce a biological response. Whereas an agonist causes an action, an antagonist blocks the action of the agonist and an inverse agonist causes an action opposite to that of the agonist.