Aristotle speaks of the lung as a single organ, sub-divided, but having a common outlet-the trachea.
"Fathers of Biology"
Charles McRae
The alterations may extend to the nasal cavities, the larynx, the trachea, the lung, the esophagus, the intestines, and to the hoof.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler
Often the operation has to be performed in great haste without the proper instruments and under great disadvantages, the operator having to cut down quickly, open the trachea and spread the parts, using some instrument improvised by him at the time.
"Special Report on Diseases of Cattle"
U.S. Department of Agriculture J.R. Mohler