What is a component of the Masson trichrome stain?

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Multiple Choice

What is a component of the Masson trichrome stain?

Explanation:
Masson trichrome staining uses three dyes to distinguish tissue components, giving muscle and cytoplasm a red color, collagen a blue color, and nuclei a dark contrast. Acid fuchsin is the dye that stains muscle fibers and cytoplasm red, which is why it is a component of this stain. The blue component (usually aniline blue) then stains collagen, providing the contrast needed to identify fibrous tissue versus muscle. Other dyes listed are used in different staining systems or variations, not in the standard Masson procedure.

Masson trichrome staining uses three dyes to distinguish tissue components, giving muscle and cytoplasm a red color, collagen a blue color, and nuclei a dark contrast. Acid fuchsin is the dye that stains muscle fibers and cytoplasm red, which is why it is a component of this stain. The blue component (usually aniline blue) then stains collagen, providing the contrast needed to identify fibrous tissue versus muscle. Other dyes listed are used in different staining systems or variations, not in the standard Masson procedure.

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