| A | B |
| Blood transfusion | Transfer of blood from one person to another |
| Bone marrow transplant (BMT) | patient receives bone marrow from a donor after their own bone marrow is destroyed by radiation or chemotherapy |
| Phlebotomy | removal of blood from vein for laboratory tests |
| Complete blood count (CBC) | laboratory test that counts the amount of all blood cells and proteins |
| Red blood cell count (RBC) | amount of erythrocytes in a blood sample |
| White blood cell count (WBC) | amount of leukocytes in a blood sample |
| Hemoglobin (Hgb | Hb |
| Anticoagulant | any substance that prevents clot formation |
| Coagulate | formation of blood clot |
| Embolus | floating clot; piece of thrombus that broke away and floats in blood vessels |
| Anemia | disorder where there is less erythrocytes or hemoglobin in the blood which results in decreased oxygen delivery to tissues |
| Hematoma | blood escapes into the tissue because of a damaged blood vessel; a bruise |
| Hemophilia | inherited lack of a clotting factor; almost complete inability to stop bleeding |
| Leukemia | cancer of leukocyte-forming bone marrow |
| Septicemia | presence of bacteria or toxins in the blood; called Ôblood poisoningÕ |
| Sickle cell anemia | inherited condition where the erythrocytes have an abnormal curved or sickle shape |