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alpha-receptor

   Also found in: Medical 0.01 sec.
al·pha-re·cep·tor (lf-r-sptr)
n.
A site in the autonomic nervous system in which excitatory responses occur when adrenergic agents, such as norepinephrine and epinephrine, are released. Activation of alpha-receptors causes various physiological reactions, including the stimulation of associated muscles and the constriction of blood vessels. Also called alpha-adrenergic receptor.


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Other researchers[27] have reported maintenance of exercise performance in well-conditioned subjects taking carvedilol, a nonselective beta-blocker with alpha-receptor blocking properties.
Effects of cardiovascular medications on exercise responses by Mossberg, Kurt A. / Physical Therapy
In severe type A individuals, chronic alpha-receptor stimulation is predominant, the researchers report.
Type A and coronary artery disease by Eisenberg, Steve / Science News
Epinephrine has a short duration of action, demonstrating moderate alpha-receptor activity, strong [beta.
Pulmonary medications by Sadowsky, H. Steven / Physical Therapy
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