“Kérnographism” or perhaps “Dermographism” (also called dermographic urticaria or skin writing).
Georg Christoph Lichtenberg a German physicist.
He discovered and described the intricate, fern-like
patterns of electrical discharge that are now named after him.
Biopsies of the skin reveal no pathologic changes.
Lichtenberg figures are now known to occur on or within solids, liquids, and gases during electrical breakdown.
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Snapshot
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