Nasal mucosa

The Nasal Mucosa is the moist, inner lining of the nose. It plays a crucial role in the body's respiratory system, as it helps to warm, moisturize, and filter the air we breathe.

Structure

The nasal mucosa is made up of a layer of epithelial cells, which are covered by a thin layer of mucus. This mucus is produced by goblet cells and submucosal glands within the mucosa.

Function

The primary function of the nasal mucosa is to filter, warm, and humidify the air we breathe before it reaches the lungs. The mucus produced by the goblet cells and submucosal glands traps dust, bacteria, and other particles, preventing them from entering the lungs. The cilia on the surface of the epithelial cells then move this mucus and trapped particles towards the throat, where they can be swallowed or expelled.

Clinical Significance

Changes in the nasal mucosa can lead to various health conditions. For example, inflammation of the nasal mucosa, known as rhinitis, can cause symptoms such as a runny nose, sneezing, and congestion. This can be caused by allergies, infections, or other factors.

Other conditions that can affect the nasal mucosa include nasal polyps, which are noncancerous growths on the lining of the nose or sinuses, and deviated septum, a condition where the thin wall between your nasal passages is displaced to one side.

See Also

• Respiratory System
• Nose
• Rhinitis
• Nasal Polyps
• Deviated Septum

Nasal mucosa

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