muscle whose activity is balanced by another related muscle (Anatomy); competitor for a prize (as in ancient Greece)
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Agonist Definition from Language, Idioms & Slang Dictionaries & Glossaries
(n.)
One who contends for the prize in public games.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. AboutOne who contends for the prize in public games.
agonist
\ag"o*nist\ (&?;), n. [gr. &?;.] one who contends for the prize in public games. [r.] [
Noun
1. the principal character in a work of fiction
(synonym) protagonist
(hypernym) fictional character, fictitious character, character
(hyponym) antihero
2. someone involved in a contest or battle (as in an agon)
(antonym) adversary, antagonist, opponent, opposer, resister
(hypernym) contestant
3. a muscle that contracts while another relaxes; "when bending the elbow the biceps are the agonist"
(hypernym) antagonistic muscle
4. (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction
(hypernym) drug
(classification) biochemistry
Agonist Definition from Encyclopedia Dictionaries & Glossaries
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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Agonist Definition from Sports Dictionaries & Glossaries
This is a muscle or a muscle group that is primarily responsible for a specific joint movement when contracting.
See also antagonist .
See also antagonist .
Agonist Definition from Medicine Dictionaries & Glossaries
A drug that triggers an action from a cell or another drug.
A Service of the National Cancer Institute.
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.
Aegis