Haematology - Leukocyte Morphology: Agranulocytes

Without granules

Where are the majority of lymphocytes produced?

Produced in the lymphoid tissue

Where are B cells (Lymphocytes) produced?

In the bone marrow

What % of lymphocytes are within the bloodstream?

25%

What is the appearance of a lymphocyte? 

Large oval or kidney shaped nucleus, that is stained purple 

What are the 3 types of lymphocytes - and out of these 3, which 2 are indistinguishable?

• B cells

• T cells

• Killer cells (slightly larger in size) 

• B and T cells are indistinguishable

What do B cells produce?

Immunoglobin

What are T cells involved in? 

Cell mediated immunity 

Killer cells control ..

Control certain cancer cells and microbial infection by limiting their speed

What is a monocyte and where is it produced?

Large immune cell which is produced in the bone marrow

What is the percentage of monocytes within the bloodstream? 

5% - for a healthy animal

Appearance of a monocyte ..

Largest of the white blood cells with large purple, bean shaped nucleus

A monocyte is a chronic phagocyte which means it can .. 

Smush between cells (like a fried egg)