Blood System

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.

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 (mm³) or microliter of blood.

Test of the ability of blood to clot.

Number of erythrocytes per cubic mm or microliter of blood.

Microscopic examination of a stained blood smear to determine the shape of individual red cells.

Number of leukocytes per cubic mm or microliter of blood.

Percentages of different types of leukocytes in the blood.

Whole blood or cells are taken from a donor and infused into a patient.