Endothelial cell storage and release of endothelin as a cardioregulatory mechanism.


Coronary vascular endothelial cells release substances into the coronary circulation that modify the contractile system of cardiac myocytes, and cardiac myocytes may release factors that modulate the secretion of cardioregulatory substances by endothelial cells. This regulatory loop is sensitive to the rate of coronary flow and tissue oxygen tension. In the… (More)

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