Influence of inorganic phosphate and energy state on force in skinned cardiac muscle from freshwater turtle and rainbow trout


Inorganic phosphate, which increases in the hypoxic cardiac cell, depresses force development. The cardiac muscle of freshwater turtle maintains a remarkably high contractility during hypoxia; this may involve a low sensitivity to phosphate. Therefore, freshwater turtle and rainbow trout were compared with regard to Ca2+-activated force in skinned atrial… (More)
DOI: 10.1007/s003600050240

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