upper respiratory tract; upper airway
Medical term referring to the nose, nasal cavity, pharynx, and larynx.
Upper respiratory tract infections cause colds.
The doctor confirmed inflammation of the upper airway.
General term for the airway; 上気道 specifies the upper part.
upper respiratory tract infection; URTI
Compound of 上 (じょう, 'upper') + 気道 (きどう, 'airway').