after 60-minute occlusion , the moderately ischemic cells ( especially in the subepicardium ) that were without amorphous dense bodies or marked sarcolemmal lifting-off made significantly greater ultrastructural recovery ( p less than 0.05 ) with restoration of ca++-atpase activity on sarcoplasmic reticulum and mitochondria after 120 minutes of reflow .
C0007634
cells
C0036226
sarcoplasmic reticulum