Fixatives

Pregunta	Respuesta
Formaldehyde	Non-coagulant (methylene bridges), additive 37-40% formaldehyde gas in water penetrates quick, fixes slowly +NaCl to correct osmolality increase basophilia
10% Neutral Buffered Formalin	Non-coagulant (methylene bridges), additive 4% formaldehyde gas in water frozen sections possible increase basophilia *best general fixative
Acetic Acid	Non-coagulant, non-additive fixes nuclei lyses red blood cells tissue swelling *best fixative for nuclei
Picric Acid	Coagulant, additive destroys nucleic acids removes calcium and iron from tissue increases acidophilic stains tissue yellow also a mordant
Gluteraldehyde	Non-coagulant, Additive crosslinking but no methylene bridge

Resumen del Recurso

	Creado por Victoria Station hace casi 7 años