* * *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.
* * *one of the formed elements of the blood; a leukocyte, erythrocyte, or platelet. Called also blood corpuscle, hemacyte, hematocyte, and hemocyte.
Medical dictionary. 2011.