The passageways are called the inferior meatus, the middle meatus and the superior meatus.

Respiratory Portion.

A diagnostic procedure that examines the nasal passageways and pharynx with an instrument outfitted with an optical system.

Atropine nasal sprays improve rhinorrhea and postnasal drip. Ipratropium bromide nasal spray dilates and relaxes bronchial passageways. These two nasal sprays are not the same, they are used for two completely different medical issues.

Dry nasal passages may crack, allowing bacteria to enter. When allergies are diagnosed, a number of nasal sprays are available to try to prevent inflammation within the nasal passageways, thus allowing the normal flow of mucus.