Mucous membranes are tissues that line body cavities or canals such as the throat, nose, mouth, urethra, rectum, and vagina. Mucous membranes produce a thick, slippery liquid called mucus that protects the membranes and keeps them moist.

Current as of: May 12, 2017

Author: Healthwise Staff

Medical Review: Adam Husney, MD - Family Medicine & Patrice Burgess, MD, FAAFP - Family Medicine & Anne C. Poinier, MD - Internal Medicine & Kathleen Romito, MD - Family Medicine & Donald R. Mintz, MD, FRCSC - Otolaryngology & E. Gregory Thompson, MD - Internal Medicine