Structure/Morphology
The paired frontal sinuses are located between the two frontal bone tables separated by a septum. These are rarely symmetrical and can be further divided into smaller communicating recesses.
Related parts of the anatomy
Key Features/Anatomical Relations
The frontal sinus aperture will drain into the anterior portion of the middle meatus either through the ethmoidal infundibulum or medial to the hiatus semilunaris.
Function
The frontal sinuses contribute to adding resonance to the voice and decreasing the overall weight of the skull.
List of Clinical Correlates
- Sinusitis
