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UND 363 Bile (hall)
UND 363 Bile stain (Hall)
Question | Answer |
---|---|
purpose for Hall Bile stain | demo presence of bilirubin in tissue and distinguish bile pigments (as a result of red cell breakdown) |
principle for Hall Bile stain | oxidation of bilirubin to biliverdin in acid medium (turns green). oxidation done by ferrich chloride in trichloroacetic acid medium (AKA FOUCHETS REAGENT) |
fix for Hall Bile stain | NBF |
tech | 4-5 and FS |
qc | tissue with bile (eg obstructed bile duct) |
reagents for Hall Bile stain | fouchets (ferric chloride 10% and trichloracetic acid) - oxidation, acid fuchsin/picric acid (van gieson) - counterstain |
results | bile/bilirubin - green (emerald - olive), background - yellow |