Sinuses are air-filled sacs (empty spaces) on either side of the nasal cavity that filter and clean the air breathed through the nose and lighten the bones of the skull. There are four paired sinuses ...

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 ...

Maxillary sinusitis or an infection of the maxillary sinus can have the following symptoms: fever, pain or pressure in face near the cheekbones, toothache, and runny nose. Sinusitis is the most common ...

Your nose is a vital organ that plays a central role in bodily functions like breathing and smelling. However, there are additional functions that your nose participates in. Likewise, there are a few ...