bronchial tube; bronchus; the branches of the windpipe connecting to the lungs

bronchitis; inflammation of the mucous membrane in the bronchial tubes, often characterized by coughing and phlegm

Inflammation of the windpipe or tracheobronchial mucosa, often caused by infection; bronchitis

breathing convulsions or muscle spasms of the trachea, often associated with asthma

a pipe used for conveying gas

inflammation of the bronchioles

bronchiole; the smallest branches of the [[支气管|支氣管|zhi1 qi4 guan3]] located in the lungs

A pipeline used for transporting gas over long distances.

exhaust pipe of an engine or vehicle

(medicine) tracheotomy; a surgical procedure involving an incision into the trachea

endotracheal intubation; a medical procedure where a tube is inserted into the windpipe to maintain an open airway