PAGE 3 Flashcards
contain glacial HAc
NUCLEAR FIXATIVE
high affinity to nuclear chromatin
Glacial HAc
destroys mitochondria and Golgi bodies
Glacial HAc
pH OF NUCLEAR FIXATIVE
4.6 OR LESS
preserve cytoplasmic structures
CYTOPLASMIC FIXATIVES
do not contain glacial HAc
CYTOPLASMIC FIXATIVE
pH OF CYTOPLASMIC FIXATIVE
MORE THAN 4.6
preserve chemical constituents
HISTOCHEMICAL FIXATIVES
HISTOCHEMICAL FIXATIVE FOR LIPIDS
mercuric chloride or potassium dichromate
HISTOCHEMICAL FIXATIVE FOR PHOSPHOLIPIDS
Baker’s formol-calcium
HISTOCHEMICAL FIXATIVE FOR CHOLESTEROL
digitonin
HISTOCHEMICAL FIXATIVES FOR CARBOHYDRATES
alcoholic fixatives
HISTOCHEMICAL FIXATIVE FOR GLYCOGEN
Rossman’s fluid or cold absolute alcohol
HISTOCHEMICAL FIXATIVE FOR PROTEINS
neutral buffered formol saline or formaldehyde vapor
HISTOCHEMICAL FIXATIVE FOR ELECTRON MICROSCOPY
double fixation
MIXTURE FOR ELECTRON CYTOCHEMISTRY
Karnovsky’s paraformaldehydeglutaraldehyde solution
MIXTURE FOR ACROLEIN
mixture of glutaraldehyde or fomaldehyde
rapid penetration, preserves morphology and enzyme activity at low concentrations
ACROLEIN
immersion fixation of surgical biopsies
ACROLEIN
FIXATIVES FOR MICROANATOMICAL
- 10% Formol saline
- 10% Neutral buffered formalin
- Heidenhain’s SuSa
- Formol sublimate/corrosive
- Zenker’s solution
- Zenker-formol/Helly’s solution
- Bouin’s solution
- Brasil’s solution
FIXATIVES FOR CYTOPLASMIC
- Helly’s
- Orth’s
- Regaud’s/Muller’s
- Flemming’s
- Formalin with post-chroming
FIXATIVES FOR NUCLEAR
- Heidenhain’s SuSa
- Newcomer’s
- Bouin’s
- Flemming’s
- Carnoy’s
FIXATIVES FOR HISTOCHEMICAL
- 10% Formol saline
- Absolute ethanol
- Newcomer’s
- Acetone
CHEMICAL CONSTITUENTS FOR HISTOCHEMICAL FIXATIVE
- LIPIDS
- PHOSPHOLIPIDS
- CHOLESTEROL
- CARBOHYDRATES
- GLYCOGEN
- PROTEINS
- ELECTRON MICROSCOPY