贫血的定义循环血液中的红细胞数或血红蛋白含量低于正常时称为贫血。国内一般认为,成年男性少于400万/立方毫米,血红蛋白含量低于12克%;成年女性红细胞少于350万/立方毫米,血红蛋白含量低于11克%,即可诊断为贫血。贫血的分类造成贫血的原因很多,贫血分类的方法也有多种。常用的分类方法有形态学分类和病因分类法两种: 一、形态学分类各种原因所致的贫血,不但红细胞数和血红蛋白量减低,在细胞大小及形态上也常有不少变化。根据 Definition of anemia Circulating blood red blood cell count or hemoglobin content is lower than normal when anemia. Domestic generally believed that less than 4 million adult men / cubic mm, hemoglobin content less than 12 grams; adult women less than 3.5 million / cubic mm of red blood cells, hemoglobin content of less than 11 grams, you can diagnose anemia. Anemia classification causes anemia for many reasons, there are many ways anemia classification. Commonly used classification of morphological classification and etiology classification of two: First, the classification of various causes of anemia, not only reduced the number of red blood cells and hemoglobin, cell size and morphology are often quite a lot of changes. according to