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Centromere banding stain --> C-banding stain

(Science: technique) a selective chromosome banding stain used in human cytogenetics, employing giemsa stain after most of the dna is denatured or extracted by treatment with alkali, acid, salt, or heat; only heterochromatic regions close to the centromeres and rich in satellite dna stain, with the exception of the y chromosome whose long arm usually stains throughout.

Synonym: centromere banding stain.