Microbiology
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Boundless Microbiology
Immunology
Microbiology Textbooks Boundless Microbiology Immunology
Microbiology Textbooks Boundless Microbiology
Microbiology Textbooks
Microbiology

Section 2

The Innate Immune Response

Book Version 6
By Boundless
Boundless Microbiology
Microbiology
by Boundless
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4 concepts
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Natural Killer Cells

Natural killer cells are part of the innate immune response that recognize abnormal MHC I molecules on infected/tumor cells and kill them.

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Physical and Chemical Barriers

The innate immune response has physical and chemical barriers that exist as the first line of defense against infectious pathogens.

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The Complement System

Around 20 soluble proteins comprise the complement system, which helps destroy extracellular microorganisms that have invaded the body.

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Pathogen Recognition

Upon pathogen entry to the body, the innate immune system uses several mechanisms to destroy the pathogen and any cells it has infected.

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