<prompt> Prusian blue detects?Ferric ironFerrous ironGlycogenLipids  <response>: Ans. is a i.e., Ferric iron o Perls iron stainPrussian blue method: It is the classic method for demonstrating iron in tissues. The section is treated with dilute hydrochloric acid to release ferric ions from binding proteins. These ions then react with potassium ferrocyanide to produce an insoluble blue compound hydrated ferric ferrocyanide substance the Prussian blue reactionOther optionso Lipid staining - Oil -Red - Oo Glycogen staining - PAS 