PAGE 5 Flashcards
best fixative for frozen sections
10% NEUTRAL BUFFERED FORMALIN
best fixative for iron pigments and elastic fibers
10% NEUTRAL BUFFERED FORMALIN
routine post-mortem tissues
FORMOL-CORROSIVE
for lipids, especially neutral fats and phospholipids
FORMOL-CORROSIVE
no need for washing-out
FORMOL-CORROSIVE
used to fix sputum
ALCOHOLIC FORMALIN
for the demonstration of immunoperoxidase activity
ALCOHOLIC FORMALIN
made up of two formaldehyde residues linked by three carbon chains
GLUTARALDEHYDE
used in conjunction with osmium tetroxide
GLUTARALDEHYDE
FIXATION TIME OF GLUTARALDEHYDE
½ hour to 2 hours
METALLIC FIXATIVES
- MERCURIC CHLORIDE
- CHROMATE FIXATIVES
- LEAD FIXATIVES
MERCURIC CHLORIDE FIXATIVE
- ZENKER’S FLUID
- ZENKER-FORMOL
- HEIDENHAIN’S SUSA SOLUTION
- B-5 FIXATIVE
most common metallic fixative
MERCURIC CHLORIDE
tissue photography
MERCURIC CHLORIDE
tissues contain black precipitates of mercury (except Susa)
MERCURIC CHLORIDE
ZENKER’S FLUID FIXES SMALL PIECES OF
- LIVER
- SPLEEN
- CONNECTIVE TISSUE FIBERS
- NUCLEI
removal of mercuric deposits in tissues
De-zenkerization
ZENKER-FORMOL IS USED FOR WHAT TYPE OF SPECIMENS
- PITUITARY GLAND
- BONE MARROW
- BLOOD CONTAINING ORGANS (SPLEEN AND LIVER)
for tumor biopsies
HEIDENHAIN’S SUSA SOLUTION
for bone marrow biopsies
B-5 FIXATIVE
REAGENT FOR CHROMATE FIXATIVES
- CHROMIC ACID
- POTASSIUM DICHROMATE
- REGAUD’S FLUID
- ORTH’S FLUID
preserves carbohydrates
CHROMIC ACID
POTASSIUM DICHROMATE IS USED FOR THE PRESERVATION PF
- LIPIDS
2. MITOCHONDRIA
REGAUD’S FLUID IS UTILIZED FOR THE DEMONSTRATION OF
- CHROMATIN
- MITOCHONDRIA
- MITOTIC FIGURES
- GOLGI BODIES
- RBC
- COLLOID-CONTAINING TISSUES