You searched for: “a protective secretion from the mucous membranes in the nose
A unit related to: “a protective secretion from the mucous membranes in the nose
(Greek: mucus; a protective secretion from the mucous membranes in the nose, throat, and lungs; a thick fluid produced by the linings of some tissues of the body and is secreted as a protective lubricant coating by cells and glands of the mucous membranes)