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肥大细胞以胞质内充满粗大而均匀的异染颗粒为特征。颗粒内含有多种生物活性物质,其中最主要的是肝素和组织胺。在大鼠和小鼠的肥大细胞内还含有5-羟色胺。肥大细胞颗粒内所含的这几种物质都可以用荧光组织化学方法显示出来。硫酸小蘖硷(Berberin Sulfate)是一种阳离子荧光染
Mast cells are characterized by cytoplasm filled with coarse and uniform heterogenous particles. Granules contain a variety of bioactive substances, of which the most important are heparin and histamine. Serotonin is also present in rat and mouse mast cells. These mast cell particles contained in these substances can be used fluorescence histochemical method revealed. Berberin Sulfate is a cationic fluorescent dye