What color does mucin stain with Mayer's Mucicarmine?

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Multiple Choice

What color does mucin stain with Mayer's Mucicarmine?

Explanation:
Mucin stains a deep rose to red color with Mayer's Mucicarmine. This stain uses carmine-alum to bind the acidic mucopolysaccharides in mucin, producing a magenta-red hue that stands out against the blue background from the hematoxylin counterstain. This color helps identify mucin-producing cells and mucin-rich tumors, such as certain adenocarcinomas. The blue background reflects the counterstain, not mucin, and other colors like green or yellow are not typical results of this stain.

Mucin stains a deep rose to red color with Mayer's Mucicarmine. This stain uses carmine-alum to bind the acidic mucopolysaccharides in mucin, producing a magenta-red hue that stands out against the blue background from the hematoxylin counterstain. This color helps identify mucin-producing cells and mucin-rich tumors, such as certain adenocarcinomas. The blue background reflects the counterstain, not mucin, and other colors like green or yellow are not typical results of this stain.

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