图示：正坏死的心肌
冠状动脉闭塞引起心肌缺血性损伤使心肌坏死。图为坏死的早期变化，心肌纤维的细胞核逐渐消失，细胞质结构破坏，横纹模糊不清。
Here is myocardium in which the cells are dying as a result of ischemic injury from coronary artery occlusion. This is early in the process of necrosis. The nuclei of the myocardial fibers are being lost. The cytoplasm is losing its structure, because no well-defined cross-striations are seen.