GMS stain

(redirected from Gomori-Grocott methenamine silver stain)

Go·mo·ri meth·en·a·mine-sil·ver stain

(gō-mō'rē),
techniques for argentaffin cells: a method using a methenamine-silver solution in combination with gold chloride, sodium thiosulfate, and safranin O; argentaffin granules appear brown-black against a green background; urates: warm sections are treated directly with a hot methenamine-silver solution to produce a blackening of urates; fungi: see Grocott-Gomori methenamine-silver stain; melanin, which reduces silver nitrate.
Synonym(s): GMS stain

GMS stain

A chromic acid, sodium bisulfite stain used in histology and cytology to identify fungi and Pneumocystis jiroveci. The slide is placed in a hot bath for penetration and stains fungi black with sharp margins and a cleared centre.

GMS stain

Gomori-Grocott methenamine silver stain A chromic acid, sodium bisulfite stain used in histology and cytology to identify fungi and Pneumocystis carinii; the slide is placed in a hot bath for penetration and stains fungi black with sharp margins, and a cleared center. See Sealed envelope appearance.
References in periodicals archive ?
Stains for microorganisms, including Gomori-Grocott methenamine silver stain and a stain for acid-fast bacilli, may be added.
Stains for microorganisms (eg, Gomori-Grocott methenamine silver stain, stains for viruses including cytomegalovirus, respiratory syncytial virus, and varicella zoster virus) and correlation with clinical presentation, and culture studies can be helpful and are highly recommended in this regard.