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micro exam 4 ch 13 vocab

Terms in this set (47)

ability of microbes to become resident on a particular host (human body)
colonization
the entry, establishment, and multiplication of pathogenic organisms within a host
infection
any deviation from health, such as when the effects of microbial infection damage or disrupt tissue and organs
disease
microbiota that do not cause disease
resident microbiota
microbiota that come and go
transient microbiota
any agent (virus, bacterium, fungus, protozoan, helminth) that causes disease
pathogen
structural and physiological effects of disease on body
pathology
study of cause of disease
etiology
development of disease
pathogenesis
relationship in which microorganisms compete for survival in a common environment by taking actions that inhibit/destroy another organism
microbial antagonism
relative capacity of a pathogen to invade and harm host cells in infection
virulence
id
infectious dose
ld
lethal dose
process by which microbes gain a more stable foothold at portal of entry; often involves specific interaction between molecules on microbial surface and receptors on host cell
adhesion
ability of bacteria to regulate their gene expression in response to sensing bacterial density
quorum sensing
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