fixation Flashcards
(20 cards)
enumerate mercurial fixatives
B-5 fixative
heidenhain’s susa
zenkers fluid
zenkers formol
aka lillies
b-5 fixative
basic mechanisms involved in fixation
additive fixation
non-additive fixation
aka hellys fluid
zenkers formol
types of fixatives according to action
microanatomical
cytological
histochemical
a type of secondary fixation where in a primary fixed tissue is dipped in 2.5 to 3% of potassium dichromate solution for 24hrs
post chromation
both a decalcifying agent and a dye
picric acid
mechanism involved in fixation that alters the composition of the tissue making it unsuitable for bacterial decomposition
non-additive fixation
enumerate microanatomical fixatives
[BBBFF-H-ZZ] 10% BNF bouins brasil's formol saline formol sublimate (formol corrosive) heidenhain's susa zenkers solution zenkersformol
aka alcoholic formalin
gendre’s fluid
enumerate major groups of chemical fixatives
[AMOA] Aldehydes Metallic group oxidizing agents alcohol-based
– chemical constituent of the fixative is taken in by the tissue and becomes part of the tx
additive fixation
enumerate histochemical fixatives
[FAcNAe] 10% formol saline acetone newcomers absolute ethyl alcohol
enumerate types of metallic fixatives
[Lead Me CHRist]
Lead fixatives
mercurial
chromate fixatives
aka Lugol’s solution
alcoholic iodine
enumerate cytologic (nuclear) fixatives
[BENCH] bouins flemmings newcomers carnoys heidenhains
yellow stain of tissue caused by picric acid is removed by____
lithium carbonate
it acts as a mordant in post chromatization
potassium dichromate
t/f: dezenkerization is the process of removing mercuric deposits by immersing tx in lugols solution prior staining
T
enumerate cytoplasmic fixatives
{HROFF] hellys regauds orths flemming's w/o acetic acid formalin with post chroming