| A | B |
|---|
| Agglutinin | A specific substance in plasma that is capable of causing a clumping of red blood cells |
| Agglutinogen | A genetically determined antigen on the cell membrane of a red blood cell that determines blood type |
| Coagulation | The process of blood clotting |
| Diapedesis | The process by which white blood cells squeeze between the cells in a vessel wall to enter the tissue spaes outside the blood vessel |
| Erythrocyte | Red blood cell |
| Erythropoiesis | The process of red blood cell formation |
| Erythropoietin | A hormone released by the kidneys that stimulate red blood cell production |
| Hemocytoblast | A stem cell in the bone marrow from which the blood cells arise |
| Leukocyte | White blood cell |
| Thrombocyte | One of the formed elements of the blood; functions in blood clotting; also called platelet |
| Anemia | Deficiency in red blood cells or hemoglobin |
| Eccymosis | Any disorder of blood coagulation |
| Embolus | A moving clot or other plug |
| Hematocrit | Lab procedure that measures the percentage of red blood cells in whole blood |
| Hemophilia | Excessive bleeding caused by a congenital lack of one or more of the factors necessary for blood clotting |
| Leukopenia | A decrease in the number of white blood cells in the blood |
| Multiple myeloma | Malignant tumor of the bone marrow |
| Petechia | A pinpoint, purplish red spot in the skin caused by intradermal hemorrhage |
| Plasmapheresis | The removal of plasma from withdrawn blood with the retransfusion of the formed elements into the donor |
| Polycythemia | Any type of increase in the number of red blood cells |
| Purpura | A group of disorders characterized by multiple pinpoint hemorrhages and accumulation of blood under the skin |
| Reticulocyte | An immature red blood cell with a network of granules in its cytoplasm |
| Thrombocytopenia | A lower than normal number of thrombocytes in the blood |
| Thrombus | A blood clot |
