In Verhoeff's Van Gieson staining, what color are red blood cells (RBCs)?

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Multiple Choice

In Verhoeff's Van Gieson staining, what color are red blood cells (RBCs)?

Explanation:
In Verhoeff's Van Gieson, the staining mix includes a yellow counterstain from picric acid and a red stain from acid fuchsin, layered on top of the darkly stained elastic fibers. The elastic fibers come out black from the Verhoeff component, while collagen appears red and most cytoplasm, including red blood cells, takes on the yellow hue from the picric acid counterstain. Red blood cells do not pick up the red dye in this combination and therefore appear bright yellow, providing a clear contrast to the surrounding tissue components.

In Verhoeff's Van Gieson, the staining mix includes a yellow counterstain from picric acid and a red stain from acid fuchsin, layered on top of the darkly stained elastic fibers. The elastic fibers come out black from the Verhoeff component, while collagen appears red and most cytoplasm, including red blood cells, takes on the yellow hue from the picric acid counterstain. Red blood cells do not pick up the red dye in this combination and therefore appear bright yellow, providing a clear contrast to the surrounding tissue components.

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