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Abstract
A combined elastic tissue-Massou technique is presented which stains elastic fibers of all sizes, nuclei and connective tissue. The modified elastic tissue stain consists of hematoxylin, ferric chloride and Verhoeffs iodine; nuclei and elastic fibers are stained blue-black in six minutes without differentiation. By contrast, cytoplasmic elements are stained red, (Biebrich scarlet-acid fuchsin) and collagen is stained green (light green) or blue (aniline blue). The entire staining procedure takes approximately one hour.