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Showing 1 to 1 of 1 for “"Hypermagnesaemia"”.
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Role of magnesium ions in the excitation of vascular smooth muscle. Effects of hypermagnesaemia and hypomagnesaemia on drug-induced contractions of mammalian arteries with special reference to the involvement of changed tissue calcium ion concentration or distribution in the observed responses.
Studies on the perfused rabbit ear artery preparation showed that withdrawal of Mg 2+ from extracellular fluid potentiated the responses to histamine and ATP but not to catecholamines. Similar results were obtained in [2xCa2+] Krebs solution. Increases in [Mg 2+] decreased responses to the three …