Skip to Content
Medical Term:


Pronunciation: hē′mō-sī-tom′ĕ-tĕr

Definition: 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.

Synonym(s): hemacytometer, hematimeter, hematocytometer

[hemo- + G. kytos, cell, + metron, measure]