orcein (Meaning)
orcein (n.)
A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus.
Synonyms & Antonyms of orcein
No Synonyms and anytonyms found
FAQs About the word orcein
A reddish brown amorphous dyestuff, /, obtained from orcin, and forming the essential coloring matter of cudbear and archil. It is closely related to litmus.
No synonyms found.
No antonyms found.
Orcein is a natural dye extracted from certain lichen species, notably Roccella tinctoria.
The orcein stain is widely used in histology for the selective staining of elastic fibers in tissues.
Orcein's affinity for elastic fibers is due to its interaction with aldehyde groups in the elastin protein.
Orcein staining is particularly useful in diagnosing conditions characterized by abnormal elastic fiber organization.
