Which tissue component is stained red in the image?

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Multiple Choice

Which tissue component is stained red in the image?

Explanation:
Masson's trichrome-style staining differentiates tissue components by color, with smooth muscle fibers taking up the red dye in the cytoplasm. The red staining indicates muscle tissue, while collagen appears blue and nuclei appear dark. So the red-colored component in the image is smooth muscle. Adipose tissue would show clear spaces and not a red muscle pattern, and liver tissue would not present as a cohesive red muscle structure under this stain.

Masson's trichrome-style staining differentiates tissue components by color, with smooth muscle fibers taking up the red dye in the cytoplasm. The red staining indicates muscle tissue, while collagen appears blue and nuclei appear dark. So the red-colored component in the image is smooth muscle. Adipose tissue would show clear spaces and not a red muscle pattern, and liver tissue would not present as a cohesive red muscle structure under this stain.

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