picrocarmine

picrocarmine

 [pik″ro-kahr´min]

a histological stain consisting of a mixture of carmine, ammonia, distilled water, and aqueous solution of picric acid.

pic·ro·car·mine stain

a red crystalline powder derived from a solution of carmine, ammonia, and picric acid, which is evaporated, leaving the powder (soluble in water); it produces excellent staining of keratohyaline granules.

pic·ro·car·mine stain

, picrocarmine (pik'rō-kahr'min stān)

A red crystalline powder derived from a solution of carmine, ammonia, and picric acid that is evaporated, leaving the powder (soluble in water); it produces excellent staining of keratohyaline granules.