agonist

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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 ?
The use of long-acting beta-2 agonist (LABA) medications through inhalational route is very much popular age-old practice to treat LRS, either as monotherapy or in combination to other drugs such as corticosteroids as they offer quick symptomatic relief.
The effect of the rapid onset, long acting inhaled beta-2 agonist formoterol upon endurance performance in healthy, well trained athletes.
A member of the beta-2 agonist family of drugs, Salbutamol is banned by WADA when taken intravenously or in pill form - as research There are medical and issues which metabolism excretion of Team Sky Sir Dave suggests large doses administered like this can boost performance - but asthma sufferers are allowed to take up 1,600 micrograms over 24 hours, without exceeding 800 micrograms (mcg) every 12 hours.
A member of the beta-2 agonist family of drugs, Salbutamol is banned by WADA when taken intravenously or in pill form - as research suggests large doses administered like this can boost performance - but asthma sufferers are allowed to take up 1,600 micrograms over 24 hours, without exceeding 800 micrograms (mcg) every 12 hours.
16 on asthmatic children, it was demonstrated that salivary and dental plaque pH fell below the critical level of 5.5 within 30 minutes after the use of the beta-2 agonist inhaler.
Firstly, he was treated with oxygen, hydration and short acting beta-2 agonist inhalation.
The FDA also has granted the long-acting beta-2 agonist formoterol fumarate tentative approval for use as monotherapy.
The company added that BEVESPI AEROSPHERE (glycopyrrolate/formoterol fumarate 9 mcg/4.8 mcg) is a twice-daily, fixed-dose dual bronchodilator combining glycopyrrolate, a long-acting muscarinic antagonist (LAMA), and formoterol fumarate, a long-acting beta-2 agonist (LABA) for the long-term, maintenance treatment of airflow obstruction in patients with chronic obstructive pulmonary disease (COPD), including chronic bronchitis and/or emphysema.
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?
Pearl's lead product, PT003, is a fixed-dose combination of formoterol fumarate, a long-acting beta-2 agonist (LABA) and glycopyrrolate, a long-acting muscarinic antagonist (LAMA).
In acute severe exacerbations of asthma, there may be a role for ipratropium, particularly if the individual is poorly responsive to beta-2 agonist therapy; (16) however, there is a lag of about 30 minutes to peak effect.
Beta-2 agonist induced ventricular dysrhythmias secondary to hyperexcitable conduction system in the absence of a long 0T syndrome.