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Created page with "A host defense system comprising many biological structures and processes within an organism that protects against disease. An immune system detects a wide variety of agents,..."
A host defense system comprising many biological structures and processes within an organism that protects against disease. An immune system detects a wide variety of agents, known as pathogens, from viruses to parasitic worms, and distinguishes them from the organism's own healthy tissue.
''[[ICRP Glossary]] entry - May 2019''
''[[ICRP Glossary]] entry - May 2019''