An apparatus for estimating the number of blood cells in a quantitatively measured volume of blood; it consists of a glass pipette with an ampulla for collecting and diluting the blood, and a counting chamber marked in squares. SYN: hemacytometer, hematimeter, hematocytometer. [hemo- + G. kytos, cell, + metron, measure]
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he·mo·cy·tom·e·ter (he″mo-si-tomґə-tər) hemacytometer.Medical dictionary. 2011.