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.”
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- Nasal passage
A channel for airflow through the nose. The walls of the nasal passages are coated with respiratory mucous membranes, which contain innumerable tiny hair-like cells that move waves of mucus toward the throat. Dust, bacteria, and other particles inhaled from the air are trapped by the mucus in the nose, carried back, swallowed, and dropped […]
- Nasal polyp
A growth or protrusion of tissue in the nose or sinuses. Nasal polyps may produce no symptoms or may lead to obstruction of the nasal passages, sinus infection, and a decreased sense of smell. Nasal polyps are almost always benign. Treatment can involve medications or surgery.
- Nasal polyps
Benign growths that originate in the mucous membranes lining the nasal passages or paranasal sinuses. Polyps are believed to arise in the nasal mucosa as a result of chronic inflammation. Up to 4% of adults have nasal polyps; they can also occur in children, particularly those with chronic respiratory conditions such as cystic fibrosis. Symptoms […]
- Nasal prosthesis
An artificial device worn to replace part or all of a missing nose.
- Nasal septum
The dividing wall that runs down the middle of the nose, separating the two nasal ‘cavities, each of which ends in a nostril. The nasal septum is composed of bone, cartilage, and ‘membranes.