An antagonist An antagonist is a character, group of characters, or an institution, that represents the opposition against which the protagonist must contend. In other words, 'A person, or a group of people who oppose the main character, or the main characters.' In the classic style of story where in the action consists of a hero fighting a villain, the two can is a character opposing the protagonist in literature.
Antagonist may also refer to:
- Antagonist (muscle) An "antagonist" is a classification used to describe a muscle that acts in opposition to the specific movement generated by the agonist and is responsible for returning a limb to its initial position, a muscle type
- Receptor antagonist A receptor antagonist is a type of receptor ligand or drug that does not provoke a biological response itself upon binding to a receptor, but blocks or dampens agonist-mediated responses. In pharmacology, antagonists have affinity but no efficacy for their cognate receptors, and binding will disrupt the interaction and inhibit the function of an, a class of drugs that bind to but do not trigger a receptor
- Antagonist A.D., a New Zealand metalcore band
- The Antagonists, a novel by Ernest K. Gann about the siege of Masada
- Antagonist, a book in Childe Cycle by Gordon R. Dickson and David W. Wixon
See also
- Antagonism (disambiguation)
- Agonist An agonist is a chemical that binds to a receptor of a cell and triggers a response by that cell. Agonists often mimic the action of a naturally occurring substance. 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
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