lichen planus

[plānəs]

n.

A skin condition characterized by the eruption of flat-topped, shiny, violaceous papules on flexor surfaces, male genitalia, and the mucosa of the oral cavity.lichen ruber planus

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.