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“a slippery protective secretion that is produced in the linings of some organs of the body by the mucous membranes and glands”
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“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)