The researchers developed the formulation and studied its ability to capture respiratory droplets in a 3D-printed replica of ...

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 ...

Microbes that reside peaceably in the nasal passageways and on the skin can be harnessed for taking drugs to target cells.