upper respiratory tract

noun

(anatomy) The part of the respiratory tract consisting of the nose, oral cavity, pharynx and larynx.

The upper respiratory tract includes the nose, throat, and larynx.

意味（1）

(anatomy) The part of the respiratory tract consisting of the nose, oral cavity, pharynx and larynx.

意味（2）

(anatomy) The part of the respiratory tract consisting of the nose, oral cavity, pharynx, larynx and trachea.