Image Based Question – 74852 Leave a Comment / Image Based Question / By Renu Maurya Question Toluidine blue staining is used for identification of ? A. Mast cell B. Melanocyte C. Fibroblast D. Macrophages Show Answer Correct Answer » A Explanation 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. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading…