Titi, what are sinuses and where are they?
Dr. Titi: Sinuses are cavities within the skull, related to the nose. Each sinus has a pathway that goes between the sinus cavity and the nasal cavity. So, there should be air flowing between these two areas. The frontal sinuses are above the eyes, then there are the cheekbone sinuses on both sides which are called the maxillary sinuses. There are also the ethmoid sinuses, between the eyes. They are very tiny and very easily get infected. There are also two sphenoid sinuses behind the nose. Q: I mentioned some of the good things about sinuses; that they warm and filter each breath you take, that they add resonance to your voice and they lighten the weight of your skull. Anything else good about them? Dr. Titi: They can protect your brain from impact and prevent injuries. If you are unfortunate and have facial trauma it puts an air cushion between whatever may be impacting your face and the brain tissue. Q: They are hollow spaces, correct? Dr. Titi: Yes, they are airspaces surrounded by