This book provides an accessible yet thorough understanding of this active and fast-changing field. Properties and Overview of Immune Responses, Cells and Tissues of the Immune System, Leukocyte Circulation and Migration into Tissues, Innate Immunity, Antibodies and Antigens, Major Histocompatibility Complex Molecules and Antigen Presentation to T Lymphocytes, Immune Receptors and Signal Transduction, Lymphocyte Development and Antigen Receptor Gene Rearrangement, Activation of T Lymphocytes, Differentiation and Functions of CD4+ Effector T Cells, Differentiation and Functions of CD8+ Effector T Cells, B Cell Activation and Antibody Production, Effector Mechanisms of Humoral Immunity, Specialized Immunity at Epithelial Barriers and in Immune Priviliged Tissues, Immunologic Tolerance and Autoimmunity, Immunity to Microbes, Transplantation Immunology, Immunity to Tumors, Hypersensitivity Disorders, Allergy, Congenital and Acquired Immunodeficiencies, Appendices, Glossary, Cytokines, Principle Features of Selected CD Molecules, Laboratory Techniques Commonly Used in Immunology, Index.