Light microscopy revealed the presences of engrafted MBMC and the presence of nascent intercalated disks connecting the engrafted cell and the host myocardium.
光镜下见大量移植的单个核细胞生长，移植细胞间及与宿主细胞间均有闰盘连结。
CONCLUSION: During the process of BMMSCs differentiating into cardiomyocytes, intercalated disc-like structure is gradually formed with increase in culture time and cell density.
结论：骨髓间质干细胞分化为心肌细胞过程中，随培养时间延长及细胞密度增加逐渐形成闰盘样结构。
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