a benign microorganism becomes pathogenic due to decreased human host resistance
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colonisation
infectious microorganisms exist in reseviours, transmitted via direct contact or indirectly(vectors). human-human by aerosol or physical contact . After deposit in receptive environment microorganisms stabilize by adherance to tissue through specific surf
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process of infection
colonsiation, invasion, multiplication and spread.
warm, nutrient filled hosts environment. replicate within infected cells(viral). replicate in macrophages and other cells (bacterial)
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spread
localised infections, then enter lymphatics, blood and internal organs. adhesive molecules, toxins and protection agaisnt hosts inflammatory and immune systems. fungi is opportunistic.
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Other cards in this set
Card 2
Front
benefits human and microorganism
Back
mutalism
Card 3
Front
benefits microorganism and not harm human
Back
Card 4
Front
benefits microorganism and harms human
Back
Card 5
Front
a benign microorganism becomes pathogenic due to decreased human host resistance
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