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Introduction to General Pathology (view source)
Revision as of 17:56, 27 August 2010
, 17:56, 27 August 2010→Factors Involved in the Development of Disease
Bear in mind that several agents may be involved - often one agent debilitates, allowing others to exert a greater effect that normal within the body. The presence of an agent does not necessarily mean it is the cause of the disease! On occasions, a pathogenic agent may be absent from the tissues, due to either clinical therapy or the action of the host defence systems
Bear in mind that several agents may be involved - often one agent debilitates, allowing others to exert a greater effect that normal within the body. The presence of an agent does not necessarily mean it is the cause of the disease! On occasions, a pathogenic agent may be absent from the tissues, due to either clinical therapy or the action of the host defence systems
3. '''Environment''', for example: in the overcrowding of animals, mixing animals from differing origins and interaction with carriers are allowed to infect susceptible animals. Carriers are animals which harbour the pathogenic agent but do not show signs of disease. Changes in management routine may also affect susceptibility to disease.
===Types of Agents Causing Disease===
===Types of Agents Causing Disease===