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Deficiency in erythrocytes or hemoglobin.
Multiple pinpoint hemorrhages and accumulation of blood under the skin.
Increase in cancerous white blood cells (leukocytes).
Infectious disease marked by increased numbers of mononuclear leukocytes and enlarged cervical lymph nodes.
Time required for blood to stop flowing from tiny puncture wound.
Time required for venous blood to clot in a test tube.
complete blood count
Determination of numbers of blood cells, hemoglobin concentration, hematocrit, and red blood values.
Speed at which erythrocytes settle out of plasma.
Total amount of hemoglobin in a sample of peripheral blood.
Number of platelets per cubic millimeter (mm
) or microliter of blood.
prothrombin time (PT)
Test of the ability of blood to clot.
red blood cell count (RBC)
Number of erythrocytes per cubic mm or microliter of blood.
red blood cell morphology
Microscopic examination of a stained blood smear to determine the shape of individual red cells.
white blood cell count (WBC)
Number of leukocytes per cubic mm or microliter of blood.
white blood cell differential
Percentages of different types of leukocytes in the blood.
Whole blood or cells are taken from a donor and infused into a patient.
Pathology and Clinical Procedures