The papillary nerves run in a waving manner, usually terminating in loops.
A wart consists of both epidermic and papillary hypertrophy, the interior of the growth containing a vascular loop.
The inner surface is applied directly to the papillary layer of the true skin, and follows closely its inequalities.
When the dissection reaches the papillary layer in the skin, as evidenced by the red color, further operative steps should cease.
In exceptional instances exuberant granulations appear— lupus hypertrophicus; or papillary outgrowths are noted—lupus verrucosus.
