Comparison of different types of WBCs (White Blood Cells or Leucocytes)
Characteristics | Neutrophils (Heterophils) | Basophils(Cyanophils) | Eosinophils (Acidophils) | Monocytes | lymphocytes |
Percentage | 62% | 0.5-2 % | 2-4 % | 5.3% | 30% |
Diameter | 10-12 mm | 8-10 mm | 10-15 mm | 12-15 mm | 8-12 mm |
Nucleus | Multi-lobed | S-shaped | Bilobed | Kidney shaped | Rounded |
Cytoplasm | Neutrophilic | Basophilic | Eosinophilic | Basophilic | Basophilic |
Granules | Fine granules | Coarse granules | Coarse granules | Absent | Absent |
Lifespan | 10-12 hrs | 8-12 hrs | 14 hrs | 10-20 hrs | Months to years |
Site of Formation | Red bone marrow | Red bone marrow | Red bone marrow | Bone marrow, spleen and lymph nodes | Bone marrow, lymph nodes and thymus |
Functions | Soldier acting as phagocytes | Secretes Serotonin, heparin & histamine | Anti-allergic and healing of wounds | Scavengers, phagocytes | Antibodies formation |
Stain | Violet with neutral dyes. Purple with Romanovsky stain | Blue with basic dye like methylene blue. Purple black with Romanovsky stain | Red with acidic dye like eosin. Orange red with Romanovsky stain | Greyish blue with Romanovsky stain | Pale blue with Romanovsky stain |