Karteikarten
Fixatives
Karten in diesem Stapel (5)
- 1FormaldehydeNon-coagulant (methylene bridges), additive
37-40% formaldehyde gas in water
penetrates quick, fixes slowly
+NaCl to correct osmolality
increase basophilia - 210% Neutral Buffered FormalinNon-coagulant (methylene bridges), additive
4% formaldehyde gas in water
frozen sections possible
increase basophilia
*best general fixative - 3Acetic AcidNon-coagulant, non-additive
fixes nuclei
lyses red blood cells
tissue swelling
*best fixative for nuclei - 4Picric AcidCoagulant, additive
destroys nucleic acids
removes calcium and iron from tissue
increases acidophilic
stains tissue yellow
also a mordant - 5GluteraldehydeNon-coagulant, Additive
crosslinking but no methylene bridge
Informationen
- Beschreibung
- Histotechnology Karteikarten am Fixatives, erstellt von Victoria Station am 25/03/2019.
- Erstellt von
- Victoria Station
- Aufrufe
- 24
- Tags
- Bewertung