agonist – מילון אנגלי-אנגלי
agonist
n.
muscle whose activity is balanced by another related muscle (Anatomy); competitor for a prize (as in ancient Greece); (Biochemistry) substance that initiates a physiological response when it is combined with a receptor; person who is involved in a contest or battle (as in an agon); main character in a work of fiction
Agonist
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.
agonist
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
(n.)
One who contends for the prize in public games.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
agonist
A drug that triggers an action from a cell or another drug.
