| A | B |
| anemia | condition in which the RBC or HGB level is below normal |
| anisocytosis | abnormal variances in RBCs |
| differential count | procedure for dtermining the distribution of the 5 types of leukocytes |
| embolus | traveling clot |
| ESR-erythrocte sedimentation rate | rate at which RBCs settle out of an anticoagulated blood specimen after 60 minutes |
| formed elements | cells and cell fragments that can be viewed under the microscope |
| hematocrit | test that measures percentage of packed RBCs compared with total blood volume |
| hematology | study of visible cellular components in the bloodstream and bone marrow |
| hemoglobin | oxygen-carrying reddish pigment in RBCs |
| hemolysis | destruction of the RBCs |
| hypoxemia | lack of oxygen in blood |
| leukemia | various cancers of the WBCs |
| leukopenia | abnormal decrease in WBCs |
| protime test | test for monitoring coagulation times for patients taking anticoagulants |
| thrombosis | abnormal condition of clotting |
| thrombus | unwanted stationary clot |
| vitamin K | critical element in production of prothrombin |
| polycythemia | abnormal condition of increased RBCs |
| poikilocytosis | abnormal shapes in RBCs |
| immunoglobulins | antibodies that destroy or render harmless foreign invaders containing antigens |