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

CharacteristicsNeutrophils (Heterophils)Basophils(Cyanophils)Eosinophils (Acidophils)Monocyteslymphocytes
Percentage62%0.5-2 %2-4 %5.3%30%
Diameter10-12 mm8-10 mm10-15 mm12-15 mm8-12 mm
NucleusMulti-lobedS-shapedBilobedKidney shapedRounded
CytoplasmNeutrophilicBasophilicEosinophilicBasophilicBasophilic
GranulesFine granulesCoarse granulesCoarse granulesAbsentAbsent
Lifespan10-12 hrs8-12 hrs14 hrs10-20 hrsMonths to years
Site of FormationRed bone marrowRed bone marrowRed bone marrowBone marrow, spleen and lymph nodesBone marrow,   lymph nodes and thymus
FunctionsSoldier acting as phagocytesSecretes Serotonin, heparin & histamineAnti-allergic and healing of woundsScavengers, phagocytesAntibodies formation
StainViolet with neutral dyes. Purple with Romanovsky stainBlue with basic dye like methylene blue. Purple black with Romanovsky stainRed with acidic dye like eosin. Orange red with Romanovsky stainGreyish blue with Romanovsky stainPale blue with Romanovsky stain

Cell biology (Cytology)
Comparison
Physiology and anatomy