Wright-Giemsa Stain of Peripheral Blood Smear
Wright-Giemsa stains are mixtures of basic dyes (methylene blue) that stain as blue and acidic dyes (eosin) that stain as red. Thus, acid components of the cell (nucleus, cytoplasmic RNA, basophilic granules) stain blue or purple, and basic components of the cell (hemoglobin, eosinophilic granules) stain red or orange.
By permission of the publisher. From Tefferi A, Li C. In Atlas of Clinical Hematology. Edited by JO Armitage. Philadelphia, Current Medicine, 2004.
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