KnowraGram stainLinked fromLinked fromThe 24 pages that link to Gram stain, each with the reason it gives.All 24Broader topic 2Related 17Narrower topic 1Compared with 4Ziehl–Neelsen stainCompared with: Mycobacteria stain poorly with Gram methods because their waxy walls impede dye uptake.Acid-fastnessCompared with: Its classification depends on a different staining response than acid-fastness.Lugol's iodineCompared with: Its iodine reagent fixes crystal violet; unlike Lugol's solution, it is not the stain's starch indicator.Endospore stainingCompared with: It classifies cell-envelope behavior, whereas endospore staining directly highlights spores.