计算心脏指数、左心室指数、左心室的厚度、心肌细胞直径。
Cardiac index, left ventricular index, left ventricle wall thickness and diameter of myocardial cell were recorded.
结果表明，MI后第9天，在心肌细胞直径增大的同时，肌球蛋白atp酶活性下降，同功酶v_1含量下降。至MI后第21天，上述这种变化更加明显。
The results showed that coincident with the increases in myocardial fiber diameter on 9 days after MI, both myosin ATPase activity and V_1 isoenzyme amount were depressed.
结果表明：（ 1 ）模拟失重时，心肌细胞的直径缩小近40 % ；
The results showed:(1) Under the simulated weightlessness(SWL), the diameter of the myocardial cells decreased 40%.
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