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11 Cards in this Set
- Front
- Back
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Normal microbiota |
Microorganisms colonizing the human body without harming it |
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Pathogenic microbes |
Invade and damage the cells and tissue |
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Pathogenicity |
The ability of a microbe to cause disease in another organism |
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Virulence |
The degree of pathogenicity |
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Infectious dose |
A minimal number of microbes have to enter the body in order to cause an infection |
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Ligands |
Surface molecules of pathogens that are located on glycocalyx or fimbriae |
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Exoenzymes |
Can dissolve structural chemicals in the body |
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Exotoxin |
Actively excreted by a living bacterial cell |
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Endotoxin |
Part of the cell wall of gram negative bacteria |
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Focal infection |
Infectious agent migrates from local infection to other tissues |
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Epidemiology |
Study of frequency and distribution of disease in human population. |
