The complexity of the cellular interactions that occur duringacquired immune responses requires specialized microenvironmentsin which the relevant cells can collaborate efficiently. Becauseonly a few lymphocytes are specific for a given antigen, T cellsand B cells need to migrate throughout the body to increasethe probability that they will encounter that particular antigen.In their travels, lymphocytes spend only about 30 minutes inthe blood during each cycle around the body.56
Immune responses to blood-borne antigens are usually initiatedin the spleen, and responses to microorganisms in tissues aregenerated in local lymph nodes, but most pathogens . . . [Full Text of this Article]
Molecular Aspects of the Immune Response
Activation and Regulation of Lymphocytes
Effector Functions of T Cells
Immune Protection by Antibodies
Regulation of the Immune Response
Immunologic Technology
Source Information
From the Department of Immunology, the Windeyer Institute of Medical Sciences, University College London, London.
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