of or relating to mucous membranes

relating to the mucous membranes of the body. These are sites where many important pathogens, such as influenza, enter the body.

pertaining to the mucous membrane or moist tissue layer that lines the hollow organs and cavities of the body

involving the tissues that line body cavities, tracts, and passages (like the nose, genital tract, etc.) that function in immune protection, nutrient absorption, and secretion of mucus, enzymes, etc. The mucosa often induces or initiates immune responses against certain antigens and can be a site for administering some vaccines.

The inner lining of a tubular structure or hollow organ.

The administration of a vaccine to a mucosal surface such as the digestive tract, the respiratory tract, the reproductive tract or the inner surface of the eyelid.

melanoma (an uncommon subtype that occurs in mucosal regions of the mouth, nose and genitals. MM may not be recognized because it occurs in sites that are infrequently examined).