Stains Flashcards
1
Q
What does Eosin detect and what colour change occurs?
A
Basic cell components:
-Cytoplasmic Proteins
-Extracellular fibres
Pink
2
Q
What does the PAS (Periodic-Acid-Schiff) detect and what colour change occurs?
A
Carbohydrates and Glycoproteins
Magenta
3
Q
What does the Elastic Van Giesen Detect and what colour change occurs?
A
Collagen - Pink/Red
Elastin - Blue Black
Muscle - Yellow
4
Q
What are the two most common stains that are used?
A
Haematoxylin and Eosin
5
Q
What stain would be best used to identify goblet cells in intestinal villi?
A
PAS (Periodic-Acid-Schiff)
6
Q
What does Haematoxylin detect and what colour change occurs?
A
Acidic Components of the cell:
-Nucleolus (RNA)
-Chromatin (DNA)
Purple/Blue
