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一、血小板生成:动物血小板是从巨核细胞浆中“发芽”长出的。巨核细胞是骨髓中的大细胞(直径达100um),它本身来源于骨髓和脾的“干细胞”。干细胞是一种多效细胞:即有发育成巨核细胞、骨髓细胞或红细胞的潜力。未成熟的巨核细胞由一个核(单核或分叶核)和
First, the platelet production: animal platelets from the megakaryocyte cytoplasm in the “germination” grow. Megakaryocytes are large cells (up to 100 μm in diameter) in the bone marrow that themselves originate from the “stem cells” of the bone marrow and spleen. Stem cells are pleiotropic cells that have the potential to develop into megakaryocytes, bone marrow cells or erythrocytes. Immature megakaryocytes by a nuclear (mononuclear or lobulated) and