Schmorl ferric-ferricyanide reduction stain

Schmorl fer·ric-fer·ri·cy·a·nide re·duc·tion stain

(shmōrl),
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.

Schmorl fer·ric-fer·ri·cy·a·nide re·duc·tion stain

(shmōrl fer'ik fer'i-cī'ă-nīd rĕ-dŭk'shŭn stān)
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, which is converted to insoluble Prussian blue in the presence of ferric ions.

Schmorl,

Christian G., German pathologist, 1861-1932.
Schmorl bacillus - a bacterial species causing or associated with several necrotic conditions in animals and occasionally in humans. Synonym(s): Fusobacterium necrophorum
Schmorl body
Schmorl ferric-ferricyanide reduction stain - tests for reducing substances in tissues.
Schmorl furrow
Schmorl groove
Schmorl jaundice - kernicterus.
Schmorl nodes
Schmorl nodule - prolapse of the nucleus pulposus through the vertebral body endplate into the spongiosa of the vertebra.
Schmorl picrothionin stain - for compact bone.