14 terms

Unit 2 definitions

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susceptibility
lack of resistance to a disease
immunity
ability to ward off disease
immune system
recognizes foreign bodies and responds with the production of immune cells and proteins
innate immunity
defense against any pathogen
adaptive immunity
immunity or resistance against a specific pathogen
1st line of defense
intact skin
mucous membrane
normal microbiota
2nd line of defense
phagocytes
inflammation
fever
3rd line of defense
antibodies
specialized lymphocytes (B/T cells)
commensalism
one organism benefit, other not affected
mutualism
both organisms benefit
parasitism
one organism benefits at the expense of the other
opportunistic pathogens
normal microbiota
Ectosymbiont
live outside their host
endosymbiont
live within host
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