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Phlebotomy 2
Hematology & Coagulation Studies
Term | Definition |
---|---|
Differential Count | Count of 100 white blood cells on a stained smear for the purpose of determining the approximate percentage of each type of white blood cell. |
Complete Blood Count (CBC) | Group of blood tests that includes a hemoglobin, hematocrit, red and white blood counts, differential counts, platelet count or estimate and red blood cell indices. |
Erythrocyte Sedimentation Rate ( ESR ) | Measurements of how far red cells fall in a given amount of blood in a one hour time frame. |
Thrombocyte | Platelet |
Normocyte | Term used to describe a normal sized cell. |
Serum | Liquid portion of the blood after the blood has been allowed to clot ; contains no coagulation factors |
Lymphocyte | The smallest of all white blood cells; contains no granules in cytoplasm; elevated in viral infections. |
Hematocrit | Percentage of packed red blood cells in the total volume of blood. |
Monocyte | The largest of all white blood cells; contains no granules in cytoplasm; has a large irregularly shaped nucleolus; may contain holes in the cytoplasm because it is active in phagocytosis. |
Macrocyte | Term used o describe a larger than normal red blood cell. |
Hemoglobin | Iron pigment on red blood cells that carries oxygen. |
Microcyte | Term used to describe a smaller than normal red blood cell. |
Leukocyte | Another name for a white blood cell; its main function is to fight infection. |