贫血仅是一临床征候羣、而不是一項独立疾患。所謂貧血按照一般見解,就是单位体积內紅血細胞和血紅蛋白的濃度与塞实紅血細胞的比值低于其年龄及性别之标准数值时,卽可診断为貧血;亦卽除新生儿时期外,紅血細胞的計数在400万/立方毫米以下,或血紅蛋白在12％克以下,或塞实紅血細胞的比值在全血的36～40％以 Anemia is only a clinical syndrome, rather than an independent disorder. The so-called anemia, according to the general view that the unit volume of red blood cells and hemoglobin and the ratio of solid red blood cells is lower than the standard value of age and sex, can be diagnosed as anemia, but also in addition to the neonatal period, the red blood cells Counts below 4 million / cubic millimeter, or hemoglobin is below 12% grams, or the ratio of Cypriot real red blood cells is between 36 and 40% of whole blood with