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胚胎早期的人脾是一个造血器官,至胚胎5个月后,其造血功能渐被骨髓代替。当骨髓增殖紊乱,严重造血障碍和身患各种白血病及淋巴瘤时,脾便成为一个髓外造血部位。关于髓外造血的机理目前仍不清楚。为了探索脾的奥秘,许多研究者正在以多种方法和手段研究脾的结构和功能。本文重点综述脾超微结构研究的有关文献。
Early embryonic human spleen is a hematopoietic organ, to the embryo 5 months later, its hematopoietic function gradually replaced by bone marrow. When the proliferation of bone marrow disorders, severe hematopoietic disorders and suffering from a variety of leukemia and lymphoma, the spleen will become an extramedullary hematopoietic site. The mechanism of extramedullary hematopoiesis is still not clear. In order to explore the mystery of the spleen, many researchers are studying the structure and function of the spleen in a variety of ways and means. This article focuses on the relevant literature on the study of the ultrastructure of the spleen.