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.
| By | Healthwise Staff |
| Primary Medical Reviewer | Kathleen Romito, MD - Family Medicine |
| Specialist Medical Reviewer | Donald R. Mintz, MD - Otolaryngology |
| Last Revised | August 3, 2010 |
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