6. The final step in the infectious process is disease
production (or pathology). By what major...
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Biology
6. The final step in the infectious process is diseaseproduction (or pathology). By what major mechanism can an infectionwith microorganisms result in disease? Give an example of eachmechanism for the pathogens.
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A pathogen can be defined as anything that can cause disease like bacteria fungi virus etc Pathogenesis is the mechanism by which the disease caused by the pathogen will develop There are different pathogens today which can cause illness in humans like bacteria fungi virus protozoa worms prions etc They are all capable of establishing an infection in the human body The pathogens have certain similarities and differences by which they can cause illness The basic mechanism by which they act are a Attachment the pathogenic organism attaches to the outer membrane of the host If there is a break in the skin due to a woundcut the microbe can then enter into the body of the host b Host entry After the attachment of the microbe it tries to enter the host The microbe may mediate an active penetration processmay enter through an opening on the surface of the host c Colonization Once the microbe has entered the host it now starts to replicate and form colonies The colonies can be formed intracellularly or extracellularly The microbe absorbs nutrients from the host to provide the energy needed for its growth and replication In
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