When geographic tongue occurs on the dorsal tongue, the erythematous areas may be appropriately described as:

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Quizplus · Accepted Answer

Geographic tongue is a benign condition characterized by the presence of circumscribed erythematous areas on the dorsal surface of the tongue. These areas lack taste buds and appear as depapillated areas, giving the tongue a map-like appearance. There is no evidence of inflammation, allergy, or fungal infection in geographic tongue.

When Geographic Tongue Occurs on the Dorsal Tongue, the Erythematous