Periodic Acid Schiff (PAS) Flashcards Preview

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Flashcards in Periodic Acid Schiff (PAS) Deck (3)
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1
Q

What is the primary purpose of Periodic Acid Schiff staining?

A

• PAS staining is primarily used to detect fungi in tissue specimens.

2
Q

What color does fungal elements stained with PAS typically appear as?

A

• Fungal elements stained with PAS will typically impart a pink-red or bright magenta color.

3
Q

Why is PAS staining considered useful for staining tissue specimens?

A

• it demonstrates the details of fungal elements in tissues
• results in a distinctive pink-red color for those elements
• making them easy to identify against a green-stained background.