Ifaara
Ṣiṣayẹwo awọn leukocytes ninu gbogbo ẹjẹ jẹ iṣiro igbagbogbo ni laabu ile-iwosan tabi banki ẹjẹ.Ifojusi ati ṣiṣeeṣe ti awọn leukocytes jẹ awọn atọka pataki bi iṣakoso didara ti ipamọ ẹjẹ.Yato si awọn leukocytes, gbogbo ẹjẹ ni nọmba nla ti awọn platelets, awọn sẹẹli ẹjẹ pupa, tabi idoti cellular, eyiti o jẹ ki ko ṣee ṣe lati ṣe itupalẹ gbogbo ẹjẹ taara labẹ microscope tabi kọnputa sẹẹli aaye didan.Awọn ọna ti aṣa lati ka awọn sẹẹli ẹjẹ funfun ṣe pẹlu ilana RBC lysis, eyiti o jẹ akoko-n gba.