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为进一步研究子宫平滑肌瘤的组织发生，本文对４例肌瘤组织，孕５、６、７、８个月胎儿子宫肌组织的腔周细胞及１例肌瘤患者子宫肌组织进行了电镜观察，结果是：①肌瘤患者子宫肌组织主要为典型的平滑肌细胞构成。②肌瘤组织中腔周细胞：腔内层为成熟或不成熟内皮细胞，其外可见无特征分化细胞、成熟和不成熟平滑肌样细胞、肌成纤维样细胞，以及成纤维样细胞。③胎儿肌组织中腔周细胞与肌瘤组织腔周细胞相类似，但主要由成熟和未成熟平滑肌细胞及无特征性分化细胞构成。
In order to further study the organization of uterine leiomyomas, in this paper, 4 cases of fibroid tissue, 5,6,7,8 months of fetal uterine muscle cells and 1 case of uterine muscle tissue were observed by electron microscopy , The result is: ① fibroid patients uterine muscle tissue is composed of a typical smooth muscle cells. ② myometrial peritubercular cells: the lumen is mature or immature endothelial cells, the visible outside the differentiation-free cells, mature and immature smooth muscle-like cells, myofibroblast-like cells, and fibroblast-like cells. The fetal pericytes in fetal muscle tissue are similar to the pericyte cells in fibroid tissue, but mainly consist of mature and immature smooth muscle cells and non-differentiated cells.