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he bang ren gong yu zhu shou shu hou de xi bao fen lie yu sun shang zu zhi de xiu fu
Pages: 375-378+459-460
Year: Issue:  5
Journal: Oceanologia et Limnologia Sinica

Keyword:  细胞有丝分裂细胞分裂手术后育珠蚌外套膜表皮细胞珍珠囊细胞结缔组织细胞分裂相修复;
Abstract: By inserting paraffin nucleus and mentle piece of graft shell into mantle of freshwater shell (Hyriopsis Cumingii) for cultivating pearl, drawing on material of the shell mantle at regular intervals and preparing sections, the mode of cell division and the repair of injured tissue in the course of pearl sac formation has been studied. It has been observed that in the repair course of injured tissue of the shell a lot of cells enter the division cycle. And all observed divisions are mitoses, no amitosis is observed. There are more mitotic figures in the specimens ten days after the operation than fifteen or twenty days after the operation. No mitotic figure was observed thirty days after the operation. About ten days after the operation, the wound healed, the inserted mentle piece and the connective tissue of the sbell became integrative. Twenty-five or thirty days after the operation (at 20℃) pearl sal epithelial cells, began to grow. The repair ability of injured tissue was greater for the shell if the operation was carried out in May than in October.
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