To identify body tract defense mechanisms
To identify the main pathogenic bacteria responsible to cause
body tract Infection
To list the specimen of choice in body tract infection
To choose the appropriate culture media, biochemical and Serological tests to identify the pathogenic bacteria in body tract infection
Definition: It is a beneficial or harmful relationship between the host and the parasite. On the basis of their life habits, microorganism is classified as saprophytes or parasites. Saprophytes : Mode of life of free-living organisms which obtain their nourishment from soil and water. Saprophytes in general do not require a living host. Parasitism: An Adaptation to life on or in the bodies of higher organisms. The association may take one of the three forms:
Symbiosis: The ability to live in the tissues of the host with mutual benefit.
Commensalism: The ability to live on the external or internal surface of the body with out causing disease.
“Eating at the same table” 3. Pathogenicity: The ability of an organism to cause disease.