Structure/Morphology
The frontonasal duct is the passage that leads from each frontal sinus to the ethmoidal infundibulum on the lateral walls of the nasal cavity.
Related parts of the anatomy
Function
The frontonasal duct drains the frontal sinus into the middle meatus of the nasal cavity, through the semilunar hiatus.
List of Clinical Correlates
- Sinusitis
