Five Therapies for the Missing organ 1. Transplantation( e.g., kidney transplant, heart transplant, liver transplant) 2. Autografting(e. g, heart bypass, skin grafting) 3. Permanent implants(e. g, hip prosthesis, pacemaker, breast implant) 4. In vitro synthesis(e.g, epidermis) 5. In vivo synthesis or regeneration(e.g, skin, nerves, conjunctiva). Remarks: Biomaterials are used in therapies #3, 4 and 5. tissue engineering includes therapies #4 and 5Five Therapies for the Missing Organ 1. Transplantation (e.g., kidney transplant, heart transplant, liver transplant) 2. Autografting (e.g., heart bypass, skin grafting). 3. Permanent implants (e.g., hip prosthesis, pacemaker, breast implant) 4. In vitro synthesis (e.g., epidermis) 5. In vivo synthesis or regeneration (e.g., skin, nerves, conjunctiva). Remarks: Biomaterials are used in therapies #3, 4 and 5. Tissue engineering includes therapies #4 and 5. 4