Normal Esophagus and Trachea
Normal Esophagus
The esophagus should have a smooth white-gray surface. It has a uniform size throughout, no areas of widening or narrowing.
,[img]http://www.cvmbs.colostate.edu/ilm/proinfo/necropsy/images/esophagus2.JPG[/img]

Normal Larynx
The larynx should be smooth and white to gray in color.
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Normal Trachea
The trachea is also smooth and white. The tracheal rings are not complete and should not collapse easily.
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