A. Microsurgical Models and Techniques.- History and Development of Experimental Microsurgery in Rats.- Reflections on the Requirements and Perspectives of a Microsurgical Research Group.- Techniques of Microsurgical Vascular Anastomoses in Experimental Microsurgery.- Heart Transplantation in Rats.- Accessory Heart Transplantation in the Neck: A Simple Model in the Rat Using the Cuff Technique for Vascular Anastomoses.- Microvascular Pulmonary Transplantation in Rats.- Spleen and Vascularized Skin Flap Transplantation.- Renal Transplantation in the Rat.- Microsurgical Technique for Small-Intestine Transplantation.- Various Techniques of Experimental Pancreas Transplantation in the Rat.- Experiences in Rat Pancreatic Islet-Cell Isolation and Transplantation.- Technique for Orthotopic Rat Liver Transplantation.- B. Immunological Principles.- Theoretical Aspects of Rat Organ Transplantation.- Immunogenetic Aspects of Organ Transplantation in the Rat.- C. Results of Vessel and Heart Transplantation.- Venovenous Allotransplantation in the Rat.- The Rejection Response to Segmental Grafts of the Femoral Artery in Inbred Rat Strains.- Factors Influencing Endothelial-Cell Viability During Procurement and Preservation of Valve Allografts.- The Rat Model as Precursor of Clinical Lymph Vessel Transplantation.- Microstructure of Allogeneic Lymph Vessel Transplants in the Rat.- Immunogenetic Basis of Heart Transplantation.- Cyclosporin A in Heart Allografts in Rats.- D. Results of Small-Instestine Transplantation, Graft Versus Host Reaction, and Host Versus Graft Reaction.- Monitoring of Rejection and Absorption Studies After Small-Bowel Transplantation in the Dog Model.- Migration of Donor Passenger Cells During Rat Cardiac and Intestinal Allograft Rejection.- Rejection and Graft Versus Host Reaction Following Small-Bowel Transplantation and Methods of Circumventing Them.- Immunological Reactions Induced by Graft Versus Host Reaction Following Small-Bowel Transplantation.- E. Pancreas Transplantation Versus Islet Transplantation.- Combined Pancreas and Kidney Transplantation in the Rat.- Immunological Characteristics of Vascularized Pancreas Transplantation.- Is Preserved Exocrine Secretion Mandatory for Optical Endocrine Function in Vascularized Pancreas Transplantation?.- The Effect of Temporary Cyclosporin A Treatment on the Endocrine Function of Pancreaticoduodenal Allografts in the Rat.- The Influence of Exocrine Secretion Management on Graft Survival in Different Pancreatic Transplant Models.- Investigations of Glucose Tolerance Following Pancreatic Transplantation in Rats with Streptozotocin-Induced Diabetes.- Successful Allotransplantation of Islets as Composite Graft in a Strong Rejection Model.- The Immunogenicity of Pancreatic Islets.- A New Approach to Experimental Pancreatic Islet Transplantation: Ultraviolet Irradiation.- Characterization of Pancreas Islet-Cell Ractivity with Various Immune Sera.- F. Results of Liver Transplantation.- Heterotopic Auxiliary Liver Transplantation with Respect to Its Clinical Application.- Accelerated But Not Hyperacute Rejection of Liver Allografts in Hypersensitized Rats.- Orthotopic Versus Auxiliary Liver Transplantation.- Fine-Needle Aspiration Cytology of Orthotopic Liver Allografts in Rats.- Immunosuppressive Effects of Liver Grafts in the Rat.- Graft Tolerance After Orthotopic Liver Transplantation in a Primarily Nontolerant Strain Combination Following Temporary Cyclosporin A Treatment.- Liver Transplantation and Cyclosporin A Therapy: Induction of Tolerance in a Strong Rejection Combination.- Study of the Cellular Immunity of Tolerance Induced by Liver Grafting in the Rat.- Mechanisms of Tolerance in Rat Liver Transplantation.- G. Miscellaneous: Microsurgical Organ Transplantation.- Decreased Graft Versus Host Reaction After Portal Venous Drainage of Spleen Grafts in Inbred Strains of Rats.- Do Transplants with Venous Drainage into the Portal System Undergo Delayed Rejection?.- Transplantation of Chimeric Organs: Implications for the Passenger-Cell Concept.- Orthotopic Rat Renal Transplantation Using the Cuff Method.- Effect of Cyclosporin on the Function of the Proximal Tubule and Loop of Henle in the Rat Kidney.- Cyclosporion A Blood Levels in Rats After Different Modes of Administration.- Orthotopic Transplantation of the Fallopian Tube, Ovary, and Segment of the Uterus in Inbred Rats.- Allogeneic and Xenogeneic Biografts in Reconstructive Surgery of the Trachea.- H. Relevance of Experimental Organ Transplantation in the Rat to Clinical Organ Transplantation.- Immunological Mechanisms in Clinical Organ Transplantation.- Immunohistological Analysis of Late Cellular Rejection and Cyclosporin-A-Resistant Acute Rejection in Human Kidney Allograft: Evidence of Delayed-Type Hypersensitivity Reaction Mechanisms.- Immunological Monitoring of Heart Transplant Patients: Clinical and Experimental Studies.- Intestinal Transplantation: Laboratory Experience and Clinical Consequences.- Experience with Segmental Pancreatic Transplantation in Stockholm.- Clinical Experience in Islet Transplantation.- Present Status of Clinical Liver Transplantation and Potential Developments Based on Experimental Microsurgical Models.- Present Status of Clinical Kidney Transplantation and Possible Developments with Respect to Experimental Microsurgery Models.- Conclusion.