agonist

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Related to Adrenergic agonist: Adrenergic antagonist

ag·o·nist

 (ăg′ə-nĭst)
n.
1. Physiology A contracting muscle that is resisted or counteracted by another muscle, the antagonist.
2. A substance that can combine with a receptor on a cell to initiate signal transduction.
3. One involved in a struggle or competition.

[Late Latin agōnista, contender, from Greek agōnistēs, from agōn, contest; see agony.]

agonist

(ˈæɡənɪst)
n
1. (Physiology) any muscle that is opposed in action by another muscle. Compare antagonist2
2. a competitor, as in an agon
[C17: from Greek agōn agon]

ag•o•nist

(ˈæg ə nɪst)

n.
1. a person engaged in a contest, conflict, struggle, etc., esp. the protagonist in a literary work.
2. a person who is torn by inner conflict.
3. a contracting muscle whose action is opposed by another muscle. Compare antagonist (def. 3).
4. a chemical substance capable of activating a receptor to induce a full or partial pharmacological response. Compare antagonist (def. 5).
[1620–30; < Late Latin agōnista < Greek agōnistḗs contestant =agṓn agon + -istēs -ist]

ag·o·nist

(ăg′ə-nĭst)
A muscle that actively contracts to produce a desired movement. Compare antagonist.

agonist

one who contends for a prize in public games. — agonistic, agonistical, adj.
See also: Athletics
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.agonist - the principal character in a work of fictionagonist - the principal character in a work of fiction
antihero - a protagonist who lacks the characteristics that would make him a hero (or her a heroine)
2.agonist - someone involved in a contest or battle (as in an agon)agonist - someone involved in a contest or battle (as in an agon)
contestant - a person who participates in competitions
adversary, antagonist, opposer, resister, opponent - someone who offers opposition
3.agonist - a muscle that contracts while another relaxesagonist - a muscle that contracts while another relaxes; "when bending the elbow the biceps are the agonist"
antagonistic muscle - (physiology) a muscle that opposes the action of another; "the biceps and triceps are antagonistic muscles"
4.agonist - (biochemistry) a drug that can combine with a receptor on a cell to produce a physiological reaction
drug - a substance that is used as a medicine or narcotic
biochemistry - the organic chemistry of compounds and processes occurring in organisms; the effort to understand biology within the context of chemistry
Translations
agonista
agonista
References in periodicals archive ?
1) The authors found that mirabegron, a new beta-3 adrenergic agonist for OAB, had a significantly higher persistence rate of 31.
2] adrenergic agonist action and monoamine oxidase and prostaglandin [E.
Farshid Kheiri, Javad Pourreza, Hahya Ebrahimnezhad, Kambiz Bazeradl, Syed Mohammad Ali Jalali Haji-Abadi and Javad Nasr: Effects of Beta Adrenergic Agonist on Female Brioler Chicks.
Best practice recommendations include making treatment accessible to all those in need including prison and closed settings, making available both methadone and buprenorphine for agonist maintenance and opioid withdrawal, alpha-2 adrenergic agonist for opioid withdrawal, naltrexone for relapse prevention and naloxone for the treatment of overdose.
Beta 2 adrenergic agonist drugs are widely used in obstetrics as tocolytics to inhibit or slow down labour and bronchodilators, but may act as functional and behavioural teratogens when given continuously in the mid to late second or early third trimesters.
Salmeterol is a long-acting beta 2 adrenergic agonist (LABA); it works by relaxing the smooth muscles in the bronchus to improve the function of breathing.
2] adrenergic agonist class of drugs can be divided into 3 groups: imidazolines, phenylethylamines, and oxalozepines.
Mirvaso (brimonidine) 3 mg/g gel an alpha-2 adrenergic agonist indicated for the symptomatic treatment of the redness (facial erythema) associated with rosacea in adult patients, is now available in the UK.
2] adrenergic agonist rather than using a high dose of corticosteroid.
Further compounds in development include abediterol, a novel long acting beta-2 adrenergic agonist (LABA) for asthma and COPD, two novel dual action long-acting muscarinic antagonist beta-2 agonist MABA compounds plus PAN-JAK and PI3K?