<prompt> Row of tombstones appearance is seen inIrritant dermatitisPemphigusPemphigoidHarpes zoster  <response>: Ans. is b i.e., Pemphigus o The Suprabasal acantholytic blister is characteristic of pemphigus vulgaris. The single layer of intact basal cells that forms the blister base has been likened to a row of tombstones. 