Calcium and cardiovascular function. Intracellular calcium levels during contraction and relaxation of mammalian cardiac and vascular smooth muscle as detected with aequorin.


Calcium ion (Ca++) plays a central role in excitation-contraction coupling of both cardiac and vascular smooth muscles and have important functional interactions with other cations, including sodium, potassium, and magnesium. Ca++ transients associated with contraction-relaxation cycles of the heart and vasculature can now be recorded directly by use of… (More)


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