[MUSIC PLAYING] OK, into the nostril we go. Ooh ... We're now entering the nasal cavity. It's pretty wet because the nose is lined with mucus to keep it moist. And its mucous membranes also ...

as well as a comparison of these findings between the left and right nostril. Many patients with chronic sinusitis will have nasal exams that are not diagnostic and within normal limits.

For one, the nasal cavity possesses a dense vascular network ... Air enters through the nares, or nostrils, and passes through convoluted cavities known as turbinates. The turbinates create ...