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  • Title: [Comparative characterization of reactions of skeletal muscle arterial and venous vessels to combined adrenergic effects].
    Author: Talash SA, Tkachenko BI, Kurdiashov IuA.
    Journal: Biull Eksp Biol Med; 1990 Jul; 110(7):5-7. PubMed ID: 2224100.
    Abstract:
    In experiments with the constant blood flow perfusion of the cat calf muscle and combined actions of adrenalin and noradrenaline were tested as to the blood flow resistance changes of the arterial and venous blood vessels. Separately applied the catecholamines evoked vascular resistance changes practically similar in value; combined effects of catecholamines realized in greater increase of arterial than venous resistance. In contrast to arterial vessels supramaximal stimuli resulted in much lesser constrictive effect as compared with reaction of intramural veins to separately applied catecholamines. Greater doses of catecholamines being combined, stability of effector system of skeletal muscle veins is decreased as compared to arteries.
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