agonist

(redirected from Adrenergic agonist)
Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
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 ?
Puttgen, that there's a synergistic effect when combining the selective alpha-2 adrenergic agonist effect of brimonidine with timolol, which provides nonselective beta adrenergic blockade.
The anaesthetic and analgesic requirement get reduced to much extent by the use of alpha-2 adrenergic agonist dexmedetomidine as an adjuvant, because of its analgesic properties and augmentation of local anaesthetic effects as they cause hyperpolarisation of nerve tissues by alteration of transmembrane potential and ion conductance at locus coeruleus in the brain stem.
5 In 1961, the first beta adrenergic agonist drug to be used in tocolysis was IP.
to] No Table 2: Combined effect of CaMKII overexpression and [beta]- adrenergic agonist on EADs.
For this reason, it is considered a pure alpha-2 adrenergic agonist.
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.
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.
These have proven beneficial in COPD due to the synergistic effect of anti cholinergic inhibition of bronchoconstriction and the beta-2 adrenergic agonist stimulation of bronchodilation (American Thoracic Society, 1995; National Asthma Education and Prevention Program, 1997, 2003; NIH/NHLBI/WHO Workshop Report, 2003) (see Table 1).
2] adrenergic agonist are related to clonidine, acts as an analgesic, a sedative and as a sympatholytic with potent antinociceptive properties.
2] Adrenergic agonist Guanfacine 1 mg 4 mg Once -24 No abuse extended release daily hours liability (Intuniv) Clonidine 0.