The tissue component stained black in the image is which of the following?

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Multiple Choice

The tissue component stained black in the image is which of the following?

Explanation:
Elastic fibers are highlighted as black when using special elastic stains (such as Verhoeff–Van Gieson or orcein). The image’s black, thread-like fibers indicate elastin-rich networks, which give tissues their stretch and recoil. Collagen, when stained by common methods, appears blue or pink depending on the stain; muscle fibers take on pink/red hues with eosin, and nuclei stain blue/purple with hematoxylin. So the dark structures match elastic fibers stained to stand out as black.

Elastic fibers are highlighted as black when using special elastic stains (such as Verhoeff–Van Gieson or orcein). The image’s black, thread-like fibers indicate elastin-rich networks, which give tissues their stretch and recoil. Collagen, when stained by common methods, appears blue or pink depending on the stain; muscle fibers take on pink/red hues with eosin, and nuclei stain blue/purple with hematoxylin. So the dark structures match elastic fibers stained to stand out as black.

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