Sinus examination

The sinuses are also called paranasal sinuses and paranasal sinuses. Multiple airy bone cavities around the nasal cavity. They are concealed next to the nasal cavity, with the maxillary sinuses located on both sides of the nasal cavity and above the orbit; the frontal sinuses are in the frontal bone; the ethmoid sinus is located on both sides of the upper nasal cavity and consists of many small air-containing cavities in the ethmoidal duct; Inside the cheekbones. They all communicate with the nasal cavity with small openings. In addition to participating in moist and warm inhaled air, the sinuses also play an important role in sculpting the face of the person, supporting the inside of the skull, and reducing the weight of the skull. There are many commonly used sinus examination methods.