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Cytometry

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Cytometry

The counting of cells, especially blood cells, using a cytometer or haemocytometer.

flow cytometry, a method of measuring fluorescence from stained cells that are in suspension and flowing through a narrow orifice, usually in combination with one or two lasers to activate the dyes; used to measure cell size, number, viability, and nucleic acid content with the aid of acridine orange, kastens fluorescent feulgen stain, ethidium bromide, trypan blue, and other selected staining reagents.

Synonym: flow cytophotometry.