(medicine, more common in Canada, US) A device used to deliver supplemental oxygen or increased airflow to a patient in need of respiratory help.

(medicine, more common in the Commonwealth of Nations, often informal) Nasal cannula.

(medicine) An absorbent plug inserted into the nasal cavity to stem epistaxis.

plural of nasal spray

plural of nasal concha

plural of nasal cycle

The periodic alternation in the use of the left or the right nostril more actively for breathing, occurring in humans, caused by periodic swelling of the nasal conchae on one side of the nose and its reversal.

(pathology) A growth in the nose commonly connected with allergic rhinitis, but not directly caused by it, arising mainly from the mucous membranes and paranasal sinuses.

plural of nasal polyp

plural of nasal demon