Gomori trichrome stain

Gomori trichrome stain
a one-step mixture of stains used to identify an increase in collagenous connective tissue fibers or to differentiate between collagen and smooth muscle fibers; it combines a plasma stain (chromotrope 2R) and a connective tissue fiber stain (fast green FCF, light green, or aniline blue), with phosphotungstic acid, and acetic acid. The mixture differentially stains a variety of cytoplasmic inclusions associated with various disease states, such as ragged red fibers.

Medical dictionary. 2011.

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  • Gomori-Wheatley stain — a rapid type of trichrome stain for demonstrating structural details of intestinal protozoa. The solution is as follows: chromotrope 2R 0.6 g, light green SF 0.3 g, phosphotungstic acid 0.7 g, acetic acid 1.00 mL, and distilled water 100.00 mL …   Medical dictionary

  • Masson's trichrome stain — of rat airway. Connective tissue is stained blue, nuclei are stained dark red/purple, and cytoplasm is stained red/pink. Masson s trichrome is a three colour staining protocol used in histology. The recipes evolved from Claude L. Pierre Masson s… …   Wikipedia

  • trichrome stain — any staining method having three dyes of different colors, usually with the sample being exposed sequentially, such as the Gomori or Masson trichrome stains …   Medical dictionary

  • stain — 1. To discolor. 2. To color; to dye. 3. A discoloration. 4. A dye used in histologic and bacteriologic technique. 5. A procedure in which a dye or combination of dyes and reagents is used to color the constituents of cells and tissues. For… …   Medical dictionary

  • Gomori — George, Hungarian histochemist in the U.S., 1904–1957. See Grocott G. methenamine silver stain, G. nonspecific alkaline phosphatase stain, G. one step trichrome stain, G. silver impregnation stain, G. chrome alum hematoxylin phloxine stain. See… …   Medical dictionary

  • Silver stain — A silver stain (GMS) demonstrating the fungus histoplasma (black round balls) in a liver biopsy. Silver staining is the use of silver to selectively alter the appearance of the target. Contents …   Wikipedia

  • Periodic acid-Schiff stain — Periodic acid Periodic acid Schiff (PAS) is a staining method used to detect glycogen and other polysaccharides in tissues. The reaction of periodic acid oxidizes the diol functional groups in glucose and other sugars, creating aldehydes that… …   Wikipedia

  • Methyl blue — Identifiers CAS number 28983 56 4 …   Wikipedia

  • Crystal violet — IUPAC name Tris(4 (dimethylamino)phenyl)methylium chloride[ …   Wikipedia

  • Haematoxylin — IUPAC name 7,11b dihydroindeno[2,1 c]chromene 3,4,6a,9,10(6H) pentol …   Wikipedia

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