Geographic tongue is of red colour because of________________?
Correct answer: D. None of the above
- A. Infiltration of eosinophils
- B. Infiltration of neutrophils
- C. Both of the above
- D. None of the above
Explanation
The red areas of geographic tongue result mainly from loss or atrophy of filiform papillae, exposing the underlying vascular tissue. Although inflammatory cells may be present microscopically, neither eosinophil nor neutrophil infiltration is the primary explanation for the red colour.
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