1. A graduated glass chamber used in laboratory medicine to count blood cells under a microscope.
Usage: Also spelled hemocytometer (U.S. variant).; Technical term used in hematology and clinical pathology.

Examples

• The technician used a haemocytometer to determine the white blood cell count.
• A haemocytometer consists of a thick glass slide with a precisely etched grid pattern.
• The sample was diluted and placed under the haemocytometer for analysis.
• Modern laboratories often use automated counters instead of manual haemocytometer counts.
• The haemocytometer requires careful calibration before each use to ensure accurate results.