Nasofrontal duct

Nasofrontal Duct is a significant anatomical structure in the human body, particularly in the respiratory system. It is a duct that connects the frontal sinus to the nasal cavity, allowing for the drainage of mucus and other secretions.

Anatomy

The nasofrontal duct is a small, narrow passage that extends from the frontal sinus, located in the forehead, to the nasal cavity. It is lined with mucous membrane, a type of tissue that produces mucus to keep the nasal passages moist and trap foreign particles.

Function

The primary function of the nasofrontal duct is to facilitate the drainage of mucus and other secretions from the frontal sinus into the nasal cavity. This is an essential part of the body's immune system, as the mucus traps bacteria, viruses, and other foreign particles, preventing them from entering the lungs and causing infection.

Clinical Significance

Blockage or obstruction of the nasofrontal duct can lead to a condition known as frontal sinusitis, which is inflammation of the frontal sinus. This can cause symptoms such as headache, nasal congestion, and facial pain. Treatment typically involves medications to reduce inflammation and clear the blockage, but in severe cases, surgery may be required.

See Also

• Sinusitis
• Nasal cavity
• Frontal sinus