Topic 2- Antigen presenting cells Flashcards
1
Q
What is an antigen-presenting cell?
A
one of the host’s cells that has been invaded by a pathogen and is displaying the antigen on its cell surface membrane
2
Q
Where do they present antigens from?
A
toxins, foreign cells and ingested pathogens
3
Q
What is the function of antigen-presenting cells?
A
help to recruit other cells of the immune system to produce a specific immune response
4
Q
What happens once he surface receptor of the T cell binds to the specific complementary antigen (on the antigen-presenting cell?
A
becomes sensitised and starts dividing to produce a clone of cells
5
Q
What are the most common types of antigen-presenting cells?
A
macrophages and dendritic cells and neutrophils
