The size and shape of the frontal sinus can vary from person to person. These spaces fill up with mucus, which then drain into the nose. The draining process can be hindered by blockages. If mucus ...

The function of the paranasal sinuses is not clear, but theories include humidification and warming of inspired air, lightening of the skull, improvement of vocal resonance, absorption of shock to the ...

Your frontal sinuses are a pair of small, air-filled cavities located just behind your eyes in the brow region. Along with three other pairs of paranasal sinuses, these cavities produce a thin mucus ...

Frontal sinusitis refers to inflammation of the sinuses located just above the eyes and on the forehead. A common cause of the condition is infection, but other causes include allergies and nasal ...

A few X-ray measurements can help determine whether chronic problems with the hard-to-reach frontal sinuses can be corrected with surgery, according to a new study. "The frontal sinus is behind the ...

The sinuses are four hollow spaces on both sides of your face and head. They're connected by narrow channels that allow air and fluids to flow between your nose and throat. If you have inflammation in ...