Meaning of AGONIST in English


an agent that binds to a receptor on a cell's surface and promotes a specific cellular activity. Agonists often exert their effect by mimicking the activity of the body's natural neurotransmitters and other regulatory chemicals or of other drugs. Also refers to a drug or substance that promotes the activity of another drug. Contrast with antagonist.

AIDS English Glossary.      Английский словарь СПИДа.