- Allogeneic Transplant: A transplant using a tissue matched or partially matched to a related or unrelated donor
- Anemia: A decreased number or insufficient function of red blood cells which causes fatigue and paleness
- Antibodies: Proteins produced by the body’s immune system which identify and help remove harmful substances or antigens such as viruses and bacteria
- Antithymocyte Globulin (ATG): A protein-containing drug used to treat and prevent graft-versus-host disease
- Apheresis: The process of removing only a selected type of blood cells from a blood donor and simultaneously returning all the others
- Autologous Transplant: A transplant using the patient’s own stem cells, which are collected, treated in the laboratory (sometimes) and stored to be given to the patient later after treatment