The ethmoid sinus (one of six sets of sinuses) is part of the paranasal sinus system and is located between the nose and eyes. It is very small at birth and becomes walnut-sized during puberty. The ...

National Institute of Neurological Disorders and Stroke investigators at the National Institutes of Health traced meningeal immune activity to dural venous sinuses that actively constrict and dilate, ...

‘Tis the season of sniffles and sinus issues. But experts say there are ways to get relief. “Sinuses are pockets of air inside our facial skeleton that produce mucus throughout the day. There are ...