They remain connected to the nasal cavity via narrow ostia with a lumen diameter of 1 to 3 mm. The sinuses are lined with mucoperiosteum, which is thinner and less richly supplied with blood ...

A groundbreaking study, presented at the Western Allergy Conference 2025, is the first large-scale investigation to examine how nasal anatomy influences upper airway allergies using real-world data ...

Several studies have investigated the anatomy of the olfactory fossa using ... procedure that uses an endoscope to access the nasal cavity and sinuses to treat various conditions.

But in some cases, it may get worse. Rarely if a sinus infection affects a sinus cavity close to the brain, it can spread to the space around the brain. An infection can also pass into the eye ...

Nasal irrigation is the cleansing of the nasal cavity with sterile salt water to flush out excess mucus or debris from the sinuses and nose, such as with the use of a neti pot. "People are more ...