host defense mechanism


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host defense mechanism

A complex interacting system that protects the host from endogenous and exogenous microorganisms. It includes physical and chemical barriers, inflammatory response, reticuloendothelial system, and immune responses.
See: cytokine; interleukin-1; interferon
See also: mechanism
References in periodicals archive ?
Biofilms are known for their high level of antimicrobie resistance and resilience to host defense mechanisms.
In severely malnourished patients, both acquired immunity like lymphocyte functions as well as innate host defense mechanisms like macrophages and granulocytes are affected.
Step-by-step laboratory methods and protocols are provided for investigating a variety of fungal and bacteria pathogens, as well as parasites, and for studying host defense mechanisms.
Such critical evaluations are not easily done, as susceptibility tests do not take into account the normal host defense mechanisms.