With numerous colour diagrams and photographs of the highest quality, this dictionary has been completely revised and updated to reflect recent advances in scientific knowledge and evidence-based research. The latest entries include all immunological subspecialties, ranging from molecular to translational immunology critical to transplant surgery and clinical medicine. This edition adds color figures and illustrations to facilitate understanding of more complex definitions and concepts. All immunological definitions have been reviewed for any necessary modification and the book provides expanded coverage of tumor immunology critical for understanding basic science and the diagnosis and treatment of cancer.