Overview of the Immune Response

  • Manzoor M. Khan


The immune system is a defense system that protects from infectious organisms and cancer. It is made up of various cells, proteins, tissues and organs. The cells participating in immune response are designed to recognize and eliminate invading agents. If not eliminated, these invading microorganisms may cause disease. The recognition is a very specific process that enables the body to recognize nonself molecules so that the second phase of the process, an immune response, may initiate. Under normal circumstances, an immune response is not generated against self, which are the body’s own proteins and tissues. The immune system for each individual is unique, and it employs small and efficient tools to recognize invading organisms that lack a central control. However, they are widely distributed in the body. The recognition of the nonself is not perfect and absolute detection of every pathogen is not required. The immune system is able to recognize molecules that it has never...


Dendritic Cell Mast Cell Major Histocompatibility Complex Natural Killer Cell Major Histocompatibility Complex Class 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  1. 1.Creighton University Medical CenterOmahaUSA

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