Eosin

Question 1

one of the most valuable stains used for differentially staining connective tissues and cytoplasm

Answer 1

eosin

Question 2

a red general cytoplasmic stain that combines with hemoglobin to give an _____

Answer 2

orange color

Question 3

an acid dye and the terms

Answer 3

acidophilic
oxyphilic
eosinophilic

Question 4

color to cytoplasmic material, cell membranes, and some extracellular structures

Answer 4

pink or red

Question 5

commonly used as a _____ because it gives a pleasing and colorful contrast to nuclear stains

Answer 5

background stain

Question 6

eosin as a background stain

Answer 6

chromate
picric acid
decalcified

Question 7

type of eosin most commonly used

Answer 7

yellow (eosin Y)

Question 8

eosin Y color in alcoholic medium

Answer 8

green yellow fluorescence

Question 9

has a very faint bluish cast

Answer 9

Eosin B
(eosin bluish or imperial red)

Question 10

rarely used

Answer 10

Eosin S and Eosin B

Question 11

Thymol crystals are added to prevent formation of molds.

Answer 11

5% aqueous eosin Y

Question 12

Addition of 0.5 ml. glacial acetic acid for every 100 ml. of stain will usually give a _____ stain to the tissue

Answer 12

deeper red

Question 13

produces a cytoplasmic stain that demonstrates various tissue components more dramatically

Answer 13

eosin Y and phloxine B