beta-adrenoceptor


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Noun1.beta-adrenoceptor - receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)beta-adrenoceptor - receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)
sympathetic nervous system - originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vessels
receptor - a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response
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References in periodicals archive ?
Role of beta-adrenoceptor signaling in skeletal muscle: implications for muscle wasting and disease.
Additionally, this switch is negatively inotropic, mostly at the apical myocardium where beta-adrenoceptor concentration is greatest, thereby explaining the apical myocardium dysfunction that occurs in Takotsubo syndrome.
Isoproterenol is a nonselective beta-adrenoceptor agonist and an effective medication for bradyarrhythmias.
Attenuation of NR4A receptor activity inhibited beta-adrenoceptor receptor-stimulated uncoupling protein 1 (UCP1) gene transcription in vitro [88].
Risk of mortality and heart failure exacerbations associated with inhaled beta-adrenoceptor agonists among patients with known left ventricular systolic dysfunction.
Harley, "Modulation of the perforant path-evoked potential in dentate gyrus as a function of intrahippocampal beta-adrenoceptor agonist concentration in urethane-anesthetized rat," Brain and Behavior: A Cognitive Neuroscience Perspective, vol.
Ryall, "Role of beta-adrenoceptor signaling in skeletal muscle: implications for muscle wasting and disease," Physiological Reviews, vol.
Metoprolol, a short acting cardioselective beta-adrenoceptor antagonist, has been used to control tachycardia and hypertension in the perioperative period.
The functional significance of genetic variation within the beta-adrenoceptor Br J Clin Pharmacol 2005; 60:235-243.
The effects of beta-adrenoceptor antagonists on collagen and epinephrine-induced platelet aggregation suggest an additive effect of these drugs with respect to antiplatelet therapy.
Hjalmarson, "Cardioprotection with beta-adrenoceptor blockers.
Changes in platelet size and spleen volume in response to selective and non-selective beta-adrenoceptor blockade in hypertensive patients.

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