Now in its eighth edition, this bestselling textbook has been fully updated to reflect our expanded knowledge of how the immune system develops and functions, and the ways in which these physiological phenomena can fail or be compromised. New chapters examine cells and organs of the immune system, organization and expression of lymphocyte antigen receptor genes, experimental systems and methods, and B- and T-cell development activation. Helping students gain an integrated understanding of immunology, this textbook: The eighth edition of is an ideal resource for life and health science students, dental and nursing students seeking a short course text, and basic scientists and clinical researchers looking to refresh their knowledge in the subject.