The<unk> , also called the<unk>  response" or the "isomorphic response", refers to skin lesions appearing on lines of trauma.  The<unk>  may result from either a linear exposure or irritation.
Koebner phenomenon
Sunsetting sign
Mayen sign
Palla's sign
Sulcus sign
Quincke sign
Steeple sign
Westermark sign