1血小板的止血作用及检测王学锋上海交通大学医学院附属瑞金医院23直径2-4um,-,圆形,椭圆形,不规则形5图19人血涂片示聚集的血小板和嗜酸性粒细胞67Scanningelectionmicrographofnormalhumanbloodcells(E红细胞G粒细胞L淋巴细胞M单核细胞P血小板)8血液涂片中的血小板9TheNormalIn-SituProcessFIG1:NormalbloodvesselIntima/mediawith endothelialcell basalmembrane smoothmusclecells collagenfiberserythrocyte thrombocyte lumen leukocyteHemostasis10FIG2InjuredbloodvesselExposureofcollagenAdhesionofplateletsmediatedbyvWFActivationandde-granulationofplateletsAggregationofplateletserythrocytenon-activatedthrombocytelumenendothelialcellbasalmembraneactivatedcollagen-boundthrombocytecollagenfiberssmoothmusclecellsHemostasisTheNormalIn-SituProcess
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