You searched for: “a slippery protective secretion that is produced in the linings of some organs of the body by the mucous membranes and glands
A unit related to: “a slippery protective secretion that is produced in the linings of some organs of the body by the mucous membranes and glands
(Greek: mucus; a slippery protective secretion that is produced in the linings of some organs of the body by the mucous membranes and glands)