Controls for lipofuscin stains
I'd suggest as a control normal liver or brain, selected for abundant - what
was once called "wear and tear pigment". The control should be fixed and
processed the same way the material being examined is.
The word is "lipofuscin" - pronounced ligh-po-FUSS-in, derived from a Latin
word "fuscus" which can mean brown, yellow, or dark. The dye name "fuchsin" -
FYOOK-sin - is derived from a flower called a fuscia (FYOO-sha) which was
named after someone with the German name Fuchs (pronounced FOOX).
The seaweed Fucus (whence fucose) is etymologically unrelated, as is, well,
like, y'know, forget it....
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