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Home > Terms > English, UK (UE) > Innate immunity
Innate immunity
A system of blood factors, especially the complement system, and cells, especially macrophages, which affords protection against invading micro-organisms. Unlike acquired or adaptive immunity, which is based upon recognition by antibodies, innate immunity is independent of prior exposure and depends upon pattern-recognition receptors of relatively broad specificity, particularly those on the surface of macrophages, which allow recognition of micro-organisms and opsonized particles.
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- Part of Speech: noun
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- Industry/Domain: Biology
- Category: Biochemistry; Molecular biology
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