In the image, what do dark blue locations represent?

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Study for the ACVIM Small Animal Internal Medicine Exam to enhance your veterinary knowledge. Prepare with flashcards and multiple-choice questions, featuring hints and explanations. Ensure success in your exam journey!

Multiple Choice

In the image, what do dark blue locations represent?

Explanation:
Dark blue regions indicate DNA-rich nuclei because the stain used highlights nuclear material. In epithelial tissue, each cell contains a nucleus that appears as a dark blue oval or circle. Bacteria are much smaller and would not form the large, discrete blue spots that mark cell nuclei; they would either be faint, a different color, or require a specific probe to be visible. So those dark blue locations are epithelial cell nuclei.

Dark blue regions indicate DNA-rich nuclei because the stain used highlights nuclear material. In epithelial tissue, each cell contains a nucleus that appears as a dark blue oval or circle. Bacteria are much smaller and would not form the large, discrete blue spots that mark cell nuclei; they would either be faint, a different color, or require a specific probe to be visible. So those dark blue locations are epithelial cell nuclei.

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