Sinus Anatomy and Function 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 ...

The skull is not one solid bone.Some are hollow to give shape to our sinuses. There are actually four matched sets: the frontal sinuses above the eyes, the maxillary sinuses at the cheeks, the ...

Paranasal sinus and nasal cavity cancer is a disease in which cancerous cells form in the tissues of the nose. Signs & Symptoms These are signs of paranasal sinus and nasal cavity cancer: A lump or ...

Lauren Butaric is an associate professor of anatomy. “We have air spaces in our skull, and the only time we really think about them is when we are sick and think our head is about to implode ...