Sunday, December 20, 2015

Comparison of different types of WBCs (White Blood Cells)

Comparison of different types of WBCs (White Blood Cells or Leucocytes)

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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

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