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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.
Last Revised: September 12, 2012
Author: Healthwise Staff
Medical Review: Patrice Burgess, MD - Family Medicine & Donald R. Mintz, MD - Otolaryngology
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