Fixatives

Descrição

Histotechnology FlashCards sobre Fixatives, criado por Victoria Station em 25-03-2019.
Victoria Station
FlashCards por Victoria Station, atualizado more than 1 year ago
Victoria Station
Criado por Victoria Station quase 7 anos atrás
22
0

Resumo de Recurso

Questão Responda
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