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Schmorl ferric-ferricyanide reduction stain

Pronunciation: shmorl

Definition: a stain to test for reducing substances in tissues, including melanin, argentaffin granules, thyroid colloid, keratin, keratohyalin, and lipofuscin pigments; ferricyanide is converted into ferrocyanide that is converted to insoluble Prussian blue in the presence of ferric ions.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.