BIOL111-R7.1-InnateImmunity

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Last updated 5:20 PM on 2/25/25
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10 Terms

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Innate Immunity
The immune defense present at birth that does not require prior exposure to a pathogen and provides a nonspecific immediate response.
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Pathogen
Infectious agents that can damage or kill a host.
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Cytokines
Small proteins produced by immune cells that regulate immune activity and act as chemical messengers.
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Adaptive Immunity
Acquired and specific immunity that develops in response to a specific antigen and takes time to be effective.
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Phagocytosis
The process by which phagocytic cells engulf unwanted substances.
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Inflammation
An immediate, nonspecific, local response to injury or infection characterized by vascular changes and the recruitment of immune cells.
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Antimicrobial Proteins
Molecules effective against a wide range of pathogens, including interferons and components of the complement system.
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Fever
An abnormal body temperature increase, usually at least 1℃, which results from the release of pyrogens and has several immunological benefits.
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Natural Killer (NK) Cells
Cells that destroy unhealthy or unwanted cells as part of immune surveillance.
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Exudate
Fluid that leaks out of blood vessels into the tissues, containing immune cells and proteins during inflammation.