Mucosa vs. Mucus — What's the Difference?

See mucous membrane.

Mucus ( MEW-kəs) is a slippery aqueous secretion produced by, and covering, mucous membranes. It is typically produced from cells found in mucous glands, although it may also originate from mixed glands, which contain both serous and mucous cells.

(anatomy) mucous membrane

The viscous, slippery substance that consists chiefly of mucin, water, cells, and inorganic salts and is secreted as a protective lubricant coating by cells and glands of the mucous membranes.

The mucus-secreting membrane lining all body cavities or passages that communicate with the exterior; called also mucous membrane.

(physiology) A slippery secretion from the lining of the mucous membranes.

Mucus-secreting membrane lining all body cavities or passages that communicate with the exterior

A viscid fluid secreted by mucous membranes, which it serves to moisten and protect. It covers the lining membranes of all the cavities which open externally, such as those of the mouth, nose, lungs, intestinal canal, urinary passages, etc.

Any other animal fluid of a viscid quality, as the synovial fluid, which lubricates the cavities of the joints; - improperly so used.

A gelatinous or slimy substance found in certain algæ and other plants.

Protective secretion of the mucous membranes; in the gut it lubricates the passage of food and protects the epithelial cells; in the nose and throat and lungs it can make it difficult for bacteria to penetrate the body through the epithelium