资讯

The air that enters the nasal cavity flows down the trachea. The trachea has a number of adaptations: cartilage rings in the walls of the trachea help to keep it open ciliated epithelium and ...
A new study by researchers at George Washington University has found that certain bacteria living in the nose may influence ...
Instead, they developed the spray and evaluated its ability to capture respiratory droplets using a 3D-printed model of the ...
A device that releases a corticosteroid into the sinonasal cavity when patients exhale may improve sleep quality in chronic ...