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innate immunity

ih-NAYT ih-MYOO-nih-tee

ɪˈneɪt ɪˈmjuːnɪti

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Syllable breakdown

innateimmunity

Dictionary meaning

the first line of immune defence, comprising non-specific, rapidly activated mechanisms present from birth that do not require prior exposure to a pathogen; includes physical barriers such as skin and mucus, phagocytic cells such as macrophages and neutrophils, the complement system, and natural killer cells; innate immunity activates within minutes to hours of infection and also instructs and primes the slower adaptive immune response

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