Immune system
From The Art and Popular Culture Encyclopedia
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An immune system is a system of biological structures and processes within an organism that protects against disease by identifying and killing pathogens and tumor cells. It detects a wide variety of agents, from viruses to parasitic worms, and needs to distinguish them from the organism's own healthy cells and tissues in order to function properly. Detection is complicated as pathogens can evolve rapidly, and adapt to avoid the immune system and allow the pathogens to successfully infect their hosts.
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See also
- Clonal selection
- Hapten
- Human physiology
- Immunoproteomics
- Immunostimulator
- Original antigenic sin
- Tumor antigens
- Immune system receptors
- Polyclonal response
- Plant disease resistance
- Immune network theory
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