VVG verhoeff-van gieson Flashcards
1
Q
purpose/target of VVG
A
elastic fibers
2
Q
what colour does the target stain in VVG
A
black/blue-black (Verhoeff solution)
3
Q
method/principle of staining in VVG
A
regressive differentiation with excess mordant (ferric chloride and iodine)
4
Q
control tissue for VVG
A
Aorta, muscular artery
5
Q
what colour do these stain in VVG
-collagen
-muscle and cytoplasm
A
-red
-yellow
(van Gieson solution)
6
Q
what is van Gieson solution made of? (VVG)
A
picric acid +acid fuschin
7
Q
what is carbol fuschin made of? (ziehl neelsen)
A
carbol + basic phenol
