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用透射电镜观察了5例兔心中心纤维体(CFB)中央部的超微结构。结果:细胞有双核和分裂象。粗面内质网、高尔基氏器等丰富,表明细胞具有活跃的代谢功能。基质内含有丰富的胶原纤维。本文认为兔CFB为软骨样组织。最后讨论了CFB和房室束的关系及临床意义。[
The ultrastructure of the central part of 5 cases of rabbit heart-centered fiber (CFB) was observed by transmission electron microscope. Results: Cells have dual nuclei and mitotic figures. Rough endoplasmic reticulum, Gallbladder and other rich, indicating that the cells have an active metabolic function. The matrix is rich in collagen fibers. This article considers rabbit CFB as cartilage-like tissue. Finally, the relationship between CFB and atrioventricular bundle and its clinical significance are discussed. [