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溶血是什么意思

更新时间: 2020-07-01 00:00:00     

溶血是指红细胞破裂,血红蛋白逸出称红细胞溶解,简称溶血。

可由多种理化因素和毒素引起。在体外,如低渗溶液、机械性强力振荡、突然低温冷冻或突然化冻、过酸或过碱,以及酒精、乙醚、皂碱、胆碱盐等均可引起溶血。

人血浆的等渗溶液为百分之零点九的NaCl溶液,红细胞在低于百分之零点四五的NaCl溶液中,因水渗入,红细胞膨胀而破裂,血红蛋白逸出。造成溶血。

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