types of WBC

ALL THE WBC

1. White Blood Cells (WBCsWhite Blood Cells (WBCs))

Types of WBCsTypes of WBCs
Granulocytes Granulocytes contain granulescontain granules
Neutrophils Neutrophils
EosinophilsEosinophils
BasophilsBasophils
AgranlocytesAgranlocytes
LymphocytesLymphocytes
Monocytes Monocytes

1

2. Neutrophils 60-70%
• 2-5 lobed nucleus and largest
•Action: by Phagocytosis
Eosinophils
Bi-lobed nucleus
Increase in allergic conditions
Stain red
Basophils
Nucleus usually bi-lobed
Stain with basic dyes such as methylene blue
Release the chemical histamine that cause inflammation
The Granulocytes
2

3. Agranular WBCsAgranular WBCs
Monocyte
Single kidney shaped nucleus
Phagocytosis after converting in to macrophages
Lymphocyte
They are small with a large round nucleus
TYPES :
B and T lymphocytes: Immune mechanisms

3

4. B lymphocytes B lymphocytes ::
They migrate in the bone marrow to the lymph nodes
and spleen where they mature.
They produce antibodies to counter pathogens and their
toxins.
4

5. 5
T lymphocytes :T lymphocytes :
T-lymphocytes become sensitised when they pass
through the thymus
They are able to recognise specific antigens

6. 5
T lymphocytes :T lymphocytes :
T-lymphocytes become sensitised when they pass
through the thymus
They are able to recognise specific antigens