Periodic acid-Schiff staining is positive and diastase resistant.
What does PAS stand for?
PAS stands for Periodic Acid-Schiff (medical technology: stain used to detect carbohydrates in tissue)
This definition appears very frequently and is found in the following Acronym Finder categories:
- Science, medicine, engineering, etc.
See other definitions of PAS
We have 688 other meanings of PAS in our Acronym Attic
- PayMatters Accountancy Services (UK)
- Pediatric Academic Societies
- Pennsylvania Abolitionist Society (est. 1775)
- People Are Stupid
- Percussive Arts Society
- Performance Accountability System
- Performance Algorithm Shifting (Cadillac automotive transmission technology)
- Performance Assessment System
- Performance Auto & Sound (magazine)
- Performing Arts School
- Peripheral Anterior Synechiae
- Perris Auto Speedway (Perris, CA)
- Pershing Advisor Solutions (various locations)
- Personal Access Services (Bellcore)
- Personal Accounting System
- Personal Alarm System (ultrasonic emergency notification)
- Personal Alert System
- Personal Amplification System
- Personal Assistant Services (disabled and mature community)
- Personal de Administración y Servicios (Spanish)
Samples in periodicals archive:
A pathological evaluation of the biopsy taken from the inguinal lymph nodes showed noncaseating necrotizing granulomas which were positive for CD3 and CD20, but negative for CD30, periodic acid-Schiff (PAS), and angiotensin II receptor blockers (ARBs).
These vacuoles were positive for Sudan III, Sudan black B, oil red O, Nile blue, periodic acid-Schiff, Schultz test, and digitonin stain, and were negative for performaric acid--Schiff stains.
And if you do a biopsy, always do a periodic acid-Schiff stain on the specimen," Dr.
Sections were stained with periodic acid-Schiff, Giemsa, Gram, Grocott-Gomori methenamine silver, and Warthin-Starry stains.
The following routine and special stains were performed: hematoxylin-eosin, periodic acid-Schiff (with and without diastase pretreatment), Congo red, von Kossa (for calcium), and Kinyoun acid-fast bacilli stain.
Periodic acid-Schiff and Gomori's methenamine silver stains were negative for fungi, but the overall appearance was compatible with a fungal infection.
However, to highlight the fungal wall, staining with periodic acid-Schiff (PAS) (figure 3, B) or Gomori methenamine silver (GMS) will result in a dramatic bright magenta (PAS) or black (GMS).