Which tissue component is typically pink in H&E staining?

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Multiple Choice

Which tissue component is typically pink in H&E staining?

Explanation:
In hematoxylin and eosin staining, eosin is the dye that gives pink to structures that are acidophilic, notably collagen in the extracellular matrix. Hematoxylin stains basophilic components like nuclei blue, so those aren’t pink. Lipids are usually removed during processing and don’t show pink in H&E. Reticulin fibers are most clearly seen with special silver-based stains rather than routine H&E, where they’re not the classic pink component. So collagen is the tissue component that is typically pink in H&E staining.

In hematoxylin and eosin staining, eosin is the dye that gives pink to structures that are acidophilic, notably collagen in the extracellular matrix. Hematoxylin stains basophilic components like nuclei blue, so those aren’t pink. Lipids are usually removed during processing and don’t show pink in H&E. Reticulin fibers are most clearly seen with special silver-based stains rather than routine H&E, where they’re not the classic pink component. So collagen is the tissue component that is typically pink in H&E staining.

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