- SYN: hemocytometer.
* * *he·ma·cy·tom·e·ter or chiefly Brit hae·ma·cy·tom·e·ter .hē-mə-sī-'täm-ət-ər n an instrument for counting blood cells called also erythrocytometer, hemocytometer
* * *he·ma·cy·tom·e·ter (he″mə-si-tomґə-tər) a device used in manual blood counts, consisting of a microscopic slide with a depression whose base is marked in grids, and into which a measured volume of a sample of blood or bacterial culture is placed and covered with a cover glass. The number of cells and formed blood elements in the squares is counted under a microscope and used as a representative sample for calculating the unit volume. Called also counting cell, counting chamber, and hemocytometer.
Medical dictionary. 2011.