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Micro. Chap 14
Stack #28176 - Microbiology
| Term | Definition |
|---|---|
| Pathogenesis | The manner in which a disease develops. |
| Infection | The invasion or colonization of the body by pathogenic microorganisms. |
| Disease | Any departure from a normal state of health. |
| Normal Flora | Microbial inhabitants or permanent residents of the body; do not produce disease under normal conditions. |
| Communicable Disease | Spreads from one host to another either directly or indirectly. |
| Opportunistic Organisms | Potentially pathogenic; don’t cause disease in their normal habitant. |
| Contagious | Easily spread from one person to another. |
| Endemic | A disease which infects a small percentage of the population in a community at all times. |
| Epidemic | Outbreak; # of cases rises significantly above the Endemic #. |
| Prevalence | The actual proportion of the population that is infected at any given time. |
| Pandemic | Epidemic proportion of the disease in people of many nations. |
| Acute | Rapid presentation of disease. |
| Chronic | Illness is one that develops slowly and is likely to continue or recur for long periods. |
| Latent | Causative agent remains inactive for a time. |
| Nosocomial | An infection that develops during the course of a hospital stay and was not present at admission. |
| Primary Infection | Acute causing illness. |
| Secondary Infection | Opportunistic infection after acute illness. |
| Virion | Complete, fully developed viral particle composed of nucleic acid |
| Cytopathic Effect (CPE) | The visible effect on a host cell, caused by a virus, that may result in host cell damage or death. |
| Lytic Cycle | A mechanism of phage multiplication that results in host cell lysis. |
| Lysogenic Cycle | Stages in viral development that result in the incorporation of viral DNA into host cell DNA. (only in dbl. stranded DNA) |
| Prophage | The inserted phage DNA |
| Bacteriophage | A bacterial virus. |