Es un parche de tejido endurecido en la piel o las membranas mucosas (por ejemplo, los tejidos que recubren la boca o la nariz).
Reviewed last on: 5/21/2009
David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.