最新人口腔黏膜上皮细胞涂片的制备与观察-药学医学精品资料.ppt

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1、最新人口腔黏膜上皮细胞涂片的制备与观察-药学医学精品资料一、实验目的1、了解光镜下细胞的形态特点.2、初步掌握临时制片的方法.3、制作和观察人口腔上皮细胞的临时装片.4、辨认人口腔上皮细胞的基本结构.二、实验内容用牙签刮取口腔上皮细胞均匀地涂在载片上(不可反复涂沫)，滴一滴甲苯胺兰染液，染色5分钟，盖上盖片，吸去多余染液。显微镜下观察可见复盖口腔表面的上皮细胞为扁平椭圆形，中央有椭圆形核，染成兰色。五、思考与问题1、制作人口腔上皮细胞的临时装片时，为什么要在载玻片上滴生理盐水？2、为什么要将口洗漱干净？kThPeMbJ7G4D1z-w&t!qYmVjSgOdLaI6F3B0y)

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