H/E Lecture 9 Flashcards
1
Q
What are base-like stains?
A
Stain things that are basophilic (acid structures) blue or purple. Examples are DNA, RNA, RER, GAG’s
2
Q
What are acid-like stains?
A
Stain things that are acidophilic (basic structures) pink, red, or orange. Examples are mitochondria, collagen.
3
Q
What are the components of an H&E stain?
A
Heatoxylin: base-like
Eosin: acid-like
4
Q
What structure is magenta in periodic-acid schiff (PAS)?
A
Carbohydrates
5
Q
What is blue/green in trichrome?
A
Collagen fibers
6
Q
What is black in silver stain?
A
Reticular fibers
7
Q
What is reddish-brown or black in orcein?
A
Elastic fibers
8
Q
What is red in sudan red?
A
Lipids
9
Q
What is black in osmic acid?
A
Lipids
10
Q
What is the diameter of a red blood cell?
A
About 8 microns
