The mucosa, or mucous membrane, is a type of tissue that lines the nasal cavity. Mucous membranes are usually moist tissues that are bathed by secretions such as in the nose.
Review Date: 11/4/2012 Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, David R. Eltz, and Stephanie Slon.