,LEUKOCYTES (WHITE BLOOD
CELLS)
Mobile units of the body’s protective
system
Total count- 4000 to 11000/ cu mm of
blood
Colourless and nucleated formed
elements of blood
, CLASSIFICATION-
Based on the presence or absence of
granules in the cytoplasm-
1. Granulocytes- have granules in the
cytoplasm
I. Neutrophils
II. Eosinophils
III. Basophils
2. Agranulocytes- have plain cytoplasm
without granules
I. Monocytes
II. Lymphocytes