Section 10
Immunity and Molecular Signals
Book
Version 6
By Boundless
By Boundless
Boundless Microbiology
Microbiology
by Boundless
4 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/13278/raw/clonal-selection.jpg)
Clonal Selection and Tolerance
Clonal selection and tolerance select for survival of lymphocytes that will protect the host from foreign antigens.
![Thumbnail](../../../../../../figures.boundless-cdn.com/13271/raw/e-concentration-chemotaxis.jpg)
Cytokines and Chemokines
Cytokines and chemokines are both small proteins secreted by cells of the immune system.
![Thumbnail](../../../../../../figures.boundless-cdn.com/13272/square/seb.jpg)
Superantigens
Superantigens are a class of antigens that cause activation of T-cells and massive cytokine release.
![Thumbnail](../../../../../../figures.boundless-cdn.com/24620/square/complement-death.jpg)
The Complement System
The complement system helps antibodies and phagocytic cells clear pathogens from an organism.