Question
Toluidine blue staining is used for identification of ?
A. Mast cell
B. Melanocyte
C. Fibroblast
D. Macrophages
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Correct Answer » A Explanation |
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Ans. A. Mast cell
(Ref: Quick Reference Handbookfor Sargical Pathologists, 2011, pg. 75)
- Toluidine blue stains the Mast cells. Their cytoplasm contains metachromatic granules composed of heparin and histamine.
- It stains the mast cells violet with blue background.