Staining Flashcards
Staining conn tissue and cytoplasm
Background stain
Counterstain
Eosin
Eosin types
Eosin Y (yellowish) - common Bluish (Eosin B, Erythrosin B) Ethyl Eosin (Eosin S, Eosin OH soluble)
Useful as progressive stain
Nuclear stain
Demonstrate cytoplasmic glycogen
Used when acid-OH diff might destroy/decolorize cytoplasmic comp
Used in Celestine Blue hemalum mtd nuclear staining
Mayer’s hematoxylin
For diff or regressice staining
Use acid OH as diff agent
Iron hematoxylin soln
Diff of muscle fiber and conn tissue
Standard hematoxylin
Uses ferric Ammonium
Weigert’s soln
Uses ferric ammonium sulfate
Heidenhan’s soln
Mordant: 1% aqueous phosphotungatic acid
Paraffin, celloidin, frozen sections
PTAH Phosphotungstic acid hematoxylin
Red
Eosin Y B
Phioxine B
Cytoplasmic stain
Yellow
Picric acid
Orange G
Rose bengal
Cytoplasmic stain
Green
Light green sf
Lissamine green
Cytoplasmic stain
Red Neutral red Safranin O Hematoxylin Carmine
Nuclear stain
Toluidine blue
Nile blue
Celestine blue
Nuclear stain
Gold chloride
Silver nitrate
As precipitates and not absorbed
Metallic stain
Saffron
Hematoxylin
Orcein
Cochineal
Natural dye
Basic dye
Thizine and triphenylmethane group
Metachromatic dye
Methyl violet Crystal violet Cresyl blue retics Bismarck brown Safranin Basic fushin Toluidine blue Thionine Azure a b c Methylene blue
Metachromatic stains
Use of specific dyes
Diff particular subs
Metachromasia
For cartillage, conn tissue, eph mucis, mast cells, amyloid
Metachromatic staining
For conn tissue
Acid fuschin-picric acid
van gieson stain
Stains collagen, smooth muscle, mitochondria
Nuclear and cytoplasmic stain in mallory’s trichrome mtd
Acid fushin (masson stain)
Most commonly used supravital stain
Neutral red
For mitochondria
Janus green
For dead cells
Trypan blue
Toluidine blue
Thionine
Nile blue
Supravital (nucleus)
Carmine
Lithium
India ink
Intravital
Anilline or coal tar dyes
Synthetic dye
Discrimination bw dead and living cells
DNA Green fluorescence
RNA Red
Acridine orange
Demonstrates Ca salts and possible site of phospatase act
Acridine Red 3B
Stains acid mucopolysaccharides
Excellent striking blue color
Alcian blue
Orange red lake w/Ca at pH4.2
Used on Dupont ACA analyzer measure serum Ca
Alizarin Red S
Counterstaining eph sections
Aniline blue
Plasma stain
For AFOrganism, mitochondria, diff of smooth muscle w/picric acid
Main constituent of Feulgen’s acid and Schiff’s rgt - aldehydes
Basic fuschin
For conn tissue, mucin, elastic tissue
Van gieson’s soln
For staining hgb
Benzidine
Contrast stain for gram’s tech
In acid fast
In pap mtd
For diptheria organism
Bismarck brown
For fresh materials in smear prep
Det presence of metal ions eg Al
Carmine
Mordanted dye
Acts as basic dye and stains acid subs
Carmalum (mayer’s soln)
Alt to iron hematox
Celestine blue
Best known as indicator
Stain for axis cylinders in embryos
Identify chon depo (amyloid)
Congo red
In histo for nervous tissue
Cresyl violet
Stains amyloid in frozen sections and plts
Crystal violet
For metallic impregnation
Gold sublimate
Oldest stain
Iodine
Identify and diff bacteria
Gram’s iodine
Decolorizer
Counterstain
Weakly basic dye
Contrast stain for ascaris eggs and rbc
Bacterial spore stain
Malachite green
Formed by boiling nile blue w/sulfuric acid
For living cells
Accumulates in lipid globules inside cells - red
Nile red (nile blue oxazone)
More soluble in fat than H2O or OH
For neutral lipids
Oil red O
For elastic fibers
In derma studies
Finest and most delicate skin fiber demonstration
Orcein
Selective stain for unsaturated lipids
For lipoCHONs
Myelin=black
Osmic acid Osmium tetroxide (OsO4)
All around stain Glycogen Mucin MucoCHON GlyCHON Basement memb Capsules Blood vessels Fungi Intra carbs glycogen in hepatocytes
Periodic acid schiff
Common neg stain for viruses, nerves, polysaccharides
For striated muscle fibers
Mitochondria = blue
Phosphotungstic acid
Contrast stain to acid fuschin Cytoplasmic stain Counterstain to crystal violet Tissue fixative Decalcifying agent
Picrid acid
Used w/ osmic acid to fix and stain blood and glandular tissues
Rhodamine B
Most senstive
Greater affinity to phospholipids than others lysochromes
Sudan black
Not real dyes
Do not have auxochrome groups
Lysochromes (Oil soluble dyes)
No 2ndary amino grp
Does not color phospholipids
For TAG
Sudan IV
First introduced
Fat soluble
Good fat stain for CNS
Sudan III
Binds collagen in EM = pink
Van gieson stain
For neuroglia in frozen section
Victoria blue
Silver reduction mtd
For phosphates and carbonates
Usually present along Ca
Von kossa stain
Causes blood cells to exhibit 4 major staining properties
Wright stain