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Noun
1. lichen planus
Wikipedia definition
2. Lichen planusLichen planus is a chronic mucocutaneous disease that affects the skin, tongue, and oral mucosa. The disease presents itself in the form of papules, lesions, or rashes. Lichen planus does not involve lichens, the fungus/algae symbionts that often grow on tree trunks; the name refers to the dry and undulating, "lichen-like" appearance of affected skin. It is sometimes associated with certain medications and diseases, however the underlying pathology is currently unknown.
Read “Lichen planus” on English Wikipedia
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Read “Lichen planus” on DBpedia

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