STAINING Flashcards
Iron hematoxylin
- Weigert’s stain with Ferric chloride
Active colorinh agent in hematoxylin
Hematin
Alum hematoxylin stains (2)
- ehrlich’s soln w/ Na iodate
- harris’ soln with Mercuric chloride
Hematoxylin : SN mexican tree
Hematoxylin Campechianum
Oxidizing agents for hematoxylin
- H202
- Mercuric oxide
- Na iodate
- Na perborate
- K permanganate
SN female cochineal bug
Coccus cacti
Powerful chromatin and nuclear stain
Carmine dye
Stains elastic fibers
Orcein
Composition of orcein
vegetable dye (lichen) + ammonia (blue/violet)
Biological stains
Natural dyes || Synthetic Dyes
Oxidation process of hematin
Ripening
dye classification (3)
acid dye
basic dye
neutral dye
Carmine dye for Neuropathological studies
Picrocarmine
Coal tar is derived from?
Hydrocarbon benzene
Staining Reaction based on: (4)
1) Capillary osmosis
2) Solubility
3) Adsorption
4) Absorption
Mordant used in hematoxylin
- Alum
- Iron
- Copper
- Chromium
Spermatogenesis study
Copper hematoxylin
Carmine dye with aluminum chloride for demonstration of GLYCOGEN
Best Carmine stain
Fixation of basic dyes
- M. chloride
- Formaldehyde
coal tar dyes
synthetic dyes
Fxn of acid dyes
- chromium
- picric acid
- trichloroacetic acid
regressive staining, diff. w/ 1% HCl in 70% OH
Ehrlich’s hematoxylin
a basic dye which serves as an indicator and dye
methylene blue
Routine nuclear staining, exfoliative cytology, sex chromosomes
Harris hematoxylin
iron hematoxylin that demonstrates muscle fibers and connective tissue
weigert’s
auxilliary radical added to retain color
auxochrome
fiserves as a fixative, decalcifying agent, and a softener
acid dyes
neutral dye - leukocyte differentiation (2)
- giemsa stain
- leishman stain
iron hematoxylin for cytological stain regressive staining of thin sections
heidenhain’s
routine counterstain, background contrasting stain
eosin
Celestine blue hemalum method of nuclear staining
Mayer hematoxylin
stains amyloid and platelets
crystal violet
stains leukocyte nuclei
methylene violet
counterstaining of epithelial sections
aniline blue
nissl granules and chromophilic bodies
toluidine blue
vital stain for circulatory system
prussian blue
method used in staining elastic fibers using orcein
Taenzer unna orcein method
stains parasite and bacteria
malachite green
for blood smear
giemsa stain
stains acid fast organism
basic fuchsin
counterstain in papanicolaou method
bismarck brown
stain for acid mucopolysaccharides
alcian blue
embryos, elastic tissue, amyloid, and myelin
congo red
specific for connective tissue and epithelial mucin
alcian blue
cell granules and vacuoles of phagocytic cells
neutral red
neuroglia (frozen section)
victoria blue
discrimination of dead and living cells
acridine orange
calcium deposits, sites phosphate activities
acridine red
Method in embryos using congo red
Kraijan’s method
intravital staining of mitochondria
janus green B
substitute for carbol fuchsin
night blue
fat stains
lysochrome
for hemoglobin
benzidine
spirochete, reticulum and other fibers
silver nitrate
griesbach method with osmic acid, blood, glandular tissue
rhodamine b
stain solvents (4)
- distilled H20
- alcohol
- aniline water
- phenol
fixative and fat stain in frozen section
osmium tetroxide
stains phospholipids, TAG
sudan black
using simple stain with aqueous or OH solution of dye
Direct staining
stains TAG and no reaction to phospholipids and fine lipid
sudan IV
stains CNS fats
sudan III
staining with time sequence and no washing/decolorization
Progressive staining
stain with mordant
Indirect staining
accelerate or speed up staining reaction
accentuator
overstaining and then decolorization
Regressive staining
stain color reaction different from the color of ten stain itself
metachromasia
using a different stain for contrast and background
counterstaining
general differentiation of nucleus and cytoplasm
microanatomical staining
using colorless soln of metallic salts
metallic impregnation
selective staining of living cells
vital staining
stain for RES
Trypan blue
Best vital dye
neutral red
injecting the dye before extraction of the tissue
intravital staining
staining immediately after removal of the tissue from the body
supravital staining
Variation in affinities for most dyes and stains
Differentiation