末梢血白细胞总数几乎在任何疾病中都显示某些异常,并且在特殊疾病中会出现数和质的异常。正常值及末梢血液像大约三分之二的健康成人白细胞数在5,000～8,400/mm~3的范围内,但一般可以认定4,500～9,000/mm~3为成人正常值。新生儿在20,000/mm~3。左右也算正常。生后1～2周迅速减少,一般1岁内小儿比成人值略高,老年值则稍低。同一个人,早晨较低,起床后渐增,就 The total number of peripheral blood leucocytes shows some abnormalities in almost any disease, and there are several and abnormal abnormalities in a particular disease. Approximately two-thirds of healthy adult leukocytes in the normal and peripheral blood range from 5,000 to 8,400 / mm 3, but generally 4,500 to 9,000 / mm 3 are considered normal adults. Newborns at 20,000 / mm ~ 3. About normal or not. 1 to 2 weeks after birth rapidly reduced, generally 1-year-old children slightly higher than adults, older values ​​are slightly lower. The same person, the morning is low, getting up after getting up, on