Of all the monkey species around the world, one stands out with its large, bizarre nose. But why evolve such a strange ...

The esophagus and pharynx have been opened to show the connections of the nasal cavity, oral cavity, larynx, and esophagus into the pharynx. The arrow (b, bottom left) represents the path that ...

Nasal irrigation is the cleansing of the nasal cavity with sterile salt water to flush out excess ... Flushing the nose with salt water helps by maintaining moisture so the sinuses can function ...

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 ...

Discover the reasons behind recurring nosebleeds beyond dry air, including medication effects, clotting disorders, structural ...

As humans age, particularly after middle age, their brain functions, cognitive abilities and memory can deteriorate to varying degrees. Aging-related disorders marked by cognitive decline, ...

“Thus, the more IL-26 there is in the nasal cavity, the lesser the chronic airflow limitation in these patients,” Lindén and colleagues wrote. In terms of T cells, both CD4+ and CD8+ T cells ...

Topical deep delivery of corticosteroids into the sinonasal cavity improves symptoms and sleep in patients with chronic rhinosinusitis.