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
|