periodic acid–Schiff reaction
- periodic acid–Schiff reaction
- a tissue section is exposed to periodic acid, which oxidizes hydroxyl groups on adjacent carbon atoms or adjacent hydroxyl groups and amino groups to aldehydes, and then is stained with Schiff reagent, which forms an additional product with aldehydes to produce a red or magenta reaction product; used to test for glycogen, epithelial mucins, neutral polysaccharides, and glycoproteins. Called also PAS r.
Medical dictionary.
2011.
Look at other dictionaries:
PAS reaction — see periodic acid Schiff reaction * * * periodic acid–Schiff r … Medical dictionary
PAS stain — periodic acid–Schiff stain see under reaction … Medical dictionary
PAS — Abbreviation for p aminosalicylic acid; periodic acid Schiff stain. * * * para aminosalicylate; Paragon Elective or Acute Stent [trial]; Parent Attitude Scale; patient administration system; patient appointments and scheduling; periodic acid… … Medical dictionary
