Last update:

Respiratory Mucosa (Nasal Mucosa) Physiology

Want to read about the anatomy of the respiratory mucosa first? Press here

As air image descriptionpasses over the nasal mucosa, it is prepared or conditioned to safely pass deeper into the respiratory system.

An expanded view of the nasal mucosa
The air flow over the cilia
Air passes over the nasal mucosa.
1
2
  • The heat radiated from the blood vessels in the lamina propria image descriptionwarms the air to near body temperature.
An expanded view of the nasal mucosa
The warming by the capillaries
The blood vessels warm the air.
1
2
  • Simultaneously, the watery mucus image descriptionsecreted from the goblet cells and seromucosal glands humidifies (= adds moisture) the air. It also traps foreign particles and keeps them from entering other parts of the respiratory tract.
An expanded view of the nasal mucosa
The secretions produced by the nasal mucosa
Mucus secreted from the globet cells and seromucosal glands humidify the air.
1
2
  • Wave-like image descriptionbeating of the epithelial cilia moves the debris-filled mucus to the throat, where it is usually swallowed.
An expanded view of the nasal mucosa
Beating of cilia move debris-filled mucus to the throat.
1
2

An Overview of the Physiology of the Respiratory Mucosa (Nasal Mucosa):

image descriptionShow/image descriptionHide answers

Test Yourself on Nasal Mucosa with answers hidden
Test Yourself on Nasal Mucosa with answers shown
Test yourself by observing the nasal mucosa.
1
2