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any of the cells that are present in the blood in health or disease. The cells may be subclassified into three major categories, namely red cells (erythrocyte); white cells (leucocyte), which include granulocytes, lymphocytes, and monocytes; and platelet. The blood cells account for approximately 40% of the total volume of the blood in health; red cells comprise the vast majority.
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one of the formed elements of the blood; a leukocyte, erythrocyte, or platelet. Called also blood corpuscle, hemacyte, hematocyte, and hemocyte.Medical dictionary. 2011.