T.B. Tomasi, Introduction: An Overview of the Mucosal System. Cellular Basis of Mucosal Immunity: Development and Physiology of Mucosal Defense: T. Kato and R.L. Owen, Structure and Function of Intestinal Mucosal Epithelium. M.R. Neutra and J.-P. Kraehenbuhl, Cellular and Molecular Basis for Antigen Transport in the Intestinal Epithelium. I.R. Sanderson and W.A. Walker, Mucosal Barrier. K.M. Pruitt, F. Rahemtulla, and B. Mansson-Rahemtulla, Innate Humoral Factors. C. Svanborg, Bacterial Adherence and Mucosal Immunity. J. Mestecky and B. Underdown, Mucosal Immunoglobulins. J.-P. Vaerman, Developmental Aspects of Mucosal Immunoglobulins. K.L. Knight, Developmental Aspects of Mucosal Immunoglobulin Genes: Organization and Expression of IgA Heavy Chain, Secretory Component and J-Chain Genes. P. Brandtzaeg, P. Krajci, M.E. Lamm, and C.S. Kaetzel, Epithelial and Hepatobiliary Transport of Polymeric Immunoglobulins. M. Kilian and M.W. Russell, Functions of Mucosal Immunoglobulins. Cells, Regulation, and Specificity in the Mucosal Immune System: Inductive Sites: K. Croitoru and J. Bienenstock, Characteristics and Functions of MALT. J. Cebraand K.E. Shroff, Peyers Patches as Inductive Sites for IgA Commitment. W. Strober and R.O. Ehrhardt, Regulation of IgA B Cell Development. L. Mayer, Diversity and Functions of Antigen Presenting Cells in Mucosal Tissues. A. Mowat, Oral Tolerance and Regulation of Immunity to Dietary Antigens. D.W. Pascual, A.M. Stanisz, and K.L. Bost, Functional Aspects of the Peptidergic Circuit to Mucosal Immunity. F.G.M. Kroese, A.B. Kantor, and L.A. Herzenberg, The Role of B-1 Cells (Ly-1 B Cells) in Mucosal Immune Responses. J.M. Phillips-Quagliata and M.E. Lamm, Lymphocyte Homing to Mucosal Effector Sites. Cells, Regulation, and Specificity in the Mucosal Immune System: Effector Sites: Part A: D.A. Lebman and R.L. Coffman, Cytokines in the Mucosal Immune System. P. Brandtzaeg, Distribution and Characteristics of Mucosal Immunoglobulin-Producing Cells. H. Kiyono and J.R. McGhee, T Helper Cells for Mucosal Immune Responses. S.P. James and M. Zeitz, Human Gastrointestinal Mucosal T Cells. L. Lefrancois, Basic Aspects of Intraepithelial Lymphocytes. Part B: K. Ishizaka, IgE-Mediated Responses in the Mucosal Immune System. A.D. Befus, Inflammation: Mast Cells. F. Anaya-Velazquez, G.D.F. Jackson, P.B. Ernst, B.J. Underdown, and J. Gauldie, Cytokines in the Liver and Gastrointestinal Tract. S.D. London, CTL in Mucosal Effector Sites. B.R. Murphy, Mucosal Immunity to Viruses. Mucosal Immunization and Vaccines: K.B. Renegar and P.A. Small, Jr., Passive Immunization: Systemic and Mucosal. J. Mestecky, R. Abraham, and P.L. Ogra, Common Mucosal Immune System and Strategies for the Development of Vaccines Effective at the Mucosal Surfaces. S.M. Michalek, J.H. Eldridge, R. Curtiss III, and K.L. Rosenthal, Antigen Delivery Systems: New Approaches to Mucosal Immunization. J.-P. Kraehenbuhl and M.R. Neutra, Monoclonal Secretory IgA for Protection of the Intestinal Mucosa against Viral and Bacterial Pathogens. C.O. Elson and M.T. Dertzbaugh, Mucosal Adjuvants. Mucosal Diseases: Stomach, Intestine, and Liver: T.T. MacDonald, and J. Spencer, Gut Associated Lymphoid Tissue. J.-C. Rambaud, J.-C. Broulet, and M. Seligmann, Alpha Chain Disease and Related Lymphoproliferative Disorders. B. Kaijser, Gastritis and Peptic Ulcer. H.-C. Reinecker, S. Schreiber, W.F. Stenson, and R.P. MacDermott, The Role of the Mucosal Immune System in Ulcerative Colitis and Crohns Disease. D. Nadal, C.P. Braegger, P. Knoflach, and B. Albini, Malabsorption Syndromes and Intestinal Protein Loss. D.D. Metcalfe, Food Allergy. M.M. Levine and J.P. Nataro, Intestinal Infections. W.R. Brown and C.D. Howell, Liver andBiliary Tract. Lungs and Airways: J. Bienenstock and R. Clancy, Bronchial Mucosal Lymphoid Tissue. A.E. Redington, D.B. Jones, and S.T. Holgate, Mucosal Immune Function in Asthma. R.C. Welliver, Respiratory Infections. B. Bjorksten, Inhalant Allergy and Hypersensitivity Disorders. Oral Cavity, Upper Airway, and Head and Neck: D.A. Sullivan, Ocular Mucosal Immunity. D. Lim and G. Mogi, Mucosal Immunology of the Middle Ear and Eustachian Tube. D.J. Challacombe and P.J. Shirlaw, Immunology of Diseases of the Oral Cavity. J.M. Bernstein, N. Yamanka, and D. Nadal, The Immunobiology of the Tonsils and Adenoids. Mammary Glands: R.M. Goldblum and A. Goldman, Immunologic Components of Milk: Formation and Function. B. Carlsson and L.A. Hanson, Immunologic Effecs of Breast Feeding on the Infant. Genitourinary Tract: S.N. Emancipator and M.E. Lamm, IgA Nephropathy and Related Diseases. M.B. Parr and E.L. Parr, Mucosal Immunology in the Female and Male Reproductive Tracts. R.A. Bronson and F.M. Fusi, Immunologically Mediated Male and Female Reproductive Failure. C.R. Wira, J. Richardson, and R. Prabhala, Endocrine Regulation of Mucosal Immunity: Effect of Sex Hormones and Cytokines on the Afferent and Efferent Arms of the Immune System in the Female Reproductive Tract. P.D. Smith, Mucosal Immunopathophysiology of HIV Infection. D.A. Tristram and P.L. Ogra, Genital Tract Infection: Implications in the Prevention of Maternal and Fetal Disease. Chapter References. Subject Index.