What Does PAS Stand For?
PAS stands for Periodic Acid Schiff
PAS, or Periodic Acid Schiff, is a histological staining technique primarily used to detect polysaccharides such as glycogen, mucosubstances, and certain carbohydrates in tissue specimens. The method involves the oxidation of carbohydrates by periodic acid, followed by the reaction with Schiff's reagent, resulting in a distinctive magenta coloration. PAS staining is commonly utilized in medical diagnostics, pathology, and research to identify various pathological conditions and to highlight tissue structure and composition.
Added on 14th April 2008 | Last edited on 16th June 2025 | Edit Acronym