gömöri trichrome stain gömöri trichrome stain gömöri trichrome stain is a histological stain used on muscle tissue. dilated peri-tubular capillaries filled with sickled rbcs, original gomori's trichrome stain, × 400. the "ragged red fibers" in melas syndrome are visible under modified gomori stain. it can be used to test for certain forms of mitochondrial myopathy. it is named for george gömöri, who developed it in 1950.