Blood Smear: Method of Preparation and Principle | Blood | Biology

A well prepared blood smear is necessary for microscopic examination of blood. Blood smears are used to determine leukocyte differentials, to evaluate erythrocyte, platelet and leukocyte morphology, and, if necessary, to estimate platelet and leukocyte counts. Desirable qualities of a blood smear include: i. Sufficient reading area ii. Acceptable morphology within the working area iii. Even distribution of leukocytes Principle: [...]