A membrane rich in mucous glands that lines body cavities and passages which communicate directly or indirectly with the outside of the body, such as the respiratory, digestive, and urogenital tracts.
The doctor examined the patient's nasal mucosa for signs of infection.
The mucous membrane of a specific organ or part of the body regarded as a distinct anatomical layer.
Biopsy revealed dysplasia confined to the gastric mucosa.