Periodic acid Schiff plus diastase (PAS-D)
What is the periodic acid Schiff plus diastase (PAS-D) special stain? Periodic acid Schiff plus diastase (also known as PAS-D) is a special stain test that is primarily used by pathologists to determine if a substance inside of a cell is a type of sugar called glycogen or a type of protein called mucin. When …
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