| 释义 | lichen pla·nus \| ̷ ̷ ̷ ̷ˈplänəs, -lān-\ noun
 Etymology: New Latin, literally, flat lichen
 : a skin disease characterized by an eruption of wide flat papules covered by a horny glazed film, marked by intense itching, and often accompanied by lesions on the oral mucosa
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