1. Phagocytic Leucocytes
6.3.U5 Ingestion of pathogens by phagocytic white blood cells gives non-specific immunity to diseases.
Phagocytic Leucocytes
card sort game: order the images
& outline the processes
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2. What are the roles of Helper T cells?
6.3.A3 Effects of HIV on the immune system and methods of transmission.
What are the roles of Helper T cells?
When a macrophage (a type of phagocyte) engulfs a pathogen, it may display part of the pathogen’s antigen on its cell surface (antigen presentation)
This antigen on the macrophage is detected by the helper T cell, activating it
The activated helper T cell begins to divide and produce proteins that activate:
B cells to divide to become Plasma cells that make antibodies & memory B cells
cytotoxic T cells to kill infected cells & cancerous cells
Production of memory T cells