b cells

 

Types of Lymphocytes

1. B lymphocytes

2. T lymphocytes

3. Natural killar cells(NK Cells)

1. B lymphocytes (B cells)

B lymphocytes originate in bone marrow and colonize typhoid tissue.

When B cells are activated they enlarge and become plasma cells.

B cells and their derivative plasma cells are source of specific immunoglobulin antibodies.

So they are involved in humoral immunity or circulating immune reactions.