Educational Content: This article is for informational purposes only and does not constitute medical advice. Always consult a healthcare provider for diagnosis and treatment.
Definition of Nasal mucus
Medically reviewed by Min Clinic Staff | Updated: January 2026
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."