透射电镜观察显示，哇巴因组大鼠心肌细胞肿胀，肌纤维断裂，Z线消失，线粒体增生肿胀，部分空泡化，细胞间胶原纤维增生。
Myofibrillar fragmentation, swelling of the cardiac myocytes, absence of the Z line, increases of the mitochondria and collagen fibers were found in ouabain group by transmission electron microscopy.
HE染色可见部分心肌纤维断裂，心肌间质炎细胞浸润；
The pathological changes by HE stain in ADR group were part of myocardial fiber fracture and myocardial periacardial inflammatory infiltration.
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