Medical Definition of Nasal mucus
Nasal mucus: A slippery fluid produced by the membranes lining the nose. Excessive nasal mucus is the basis of a runny nose. Mucus is the Latin word for "a semifluid, slimy discharge from the nose."
Source: MedTerms™ Medical Dictionaryhttp://www.medicinenet.com/script/main/art.asp?articlekey=26189
Last Editorial Review: 6/9/2016
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