BIO 3124 Lecture 17: LEC 17 MEDICAL MICROBIOLOGY
24 Nov 2016
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Document Summary
Any change to a healthy state in which the whole or part of the body of the host is not in perfect balance. Non infectious bc prions are proteins not alive not organisms. Infectious - a diseased state due to the presence of a pathogen or its products. Non infectious - a diseased state due to non-living causes. Any organism which has the ability to cause an infectious disease. State when a pathogen grows and multiplies in the host. An infection can cause or not cause a disease. Are not normally associated with the host naturally (not part of human flora). A susceptible host - provides envt and nutrients for bacteria. A favorable environment for the pathogen- - provided by host. Break any of these steps, pathogen with stop existing. Penetration is dependent on trauma that destroys skin integrity. Ingestion, inhalation, sexual contact (urogenital tract or anus) Pathogen must adhere to host cells to establish infection.
