Dictionary of Cancer Terms
View in Spanish: Membrana mucosa
Mucous membrane (MYOO-kus MEM-brayn)
The moist, inner lining of some organs and body cavities (such as the nose, mouth, lungs, and stomach). Glands in the mucous membrane make mucus (a thick, slippery fluid). Also called mucosa.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.