Mast cells in Gomori's Aldehyde Fuchsin technique appear as which color?

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Multiple Choice

Mast cells in Gomori's Aldehyde Fuchsin technique appear as which color?

Explanation:
Gomori's aldehyde fuchsin uses a metachromatic dye reaction, which makes certain tissue components take on a color different from the counterstain. Mast cell granules contain sulfated glycosaminoglycans that interact with the aldehyde fuchsin to produce a purple hue. Although the stain is used to visualize elastic fibers, it is not specific for them, so mast cells also appear purple in this method. The other colors listed do not describe the usual appearance of mast cell granules with this stain.

Gomori's aldehyde fuchsin uses a metachromatic dye reaction, which makes certain tissue components take on a color different from the counterstain. Mast cell granules contain sulfated glycosaminoglycans that interact with the aldehyde fuchsin to produce a purple hue. Although the stain is used to visualize elastic fibers, it is not specific for them, so mast cells also appear purple in this method. The other colors listed do not describe the usual appearance of mast cell granules with this stain.

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