• Whole blood

Blood - basic principle

Whole blood Thrombocyte - platelet Leukocyte - White blood cell Erythocyte - Red blood cell

RBC and platelets Thrombocyte (platelet) Erythrocyte (RBC)

Neutrophils Lilac granules Multi-lobed nucleus

Eosinophils Bilobed nucleus Orange-red granules

Basophils Blue-black granules S-shaped nucleus

Monocytes Large cell, cytoplasm with vacuoles Large horse-shoe shaped nucleus

Lymphocytes Smaller cell with very little cytoplasm Dented nucleus