Collapsing Trachea and Stents

The trachea is meant to be a fairly rigid tube consisting of a tracheal membrane connecting a group of C-shaped cartilage rings. In some dogs, the C-shaped cartilage becomes weak and begins to flatten out dorsoventrally. When the cartilage loses its curvature, the tracheal membrane becomes slack and instead of being a tight muscle canopy, the flimsy membrane moves as air passes through the trachea...

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Collapsing Trachea and Stents.pdf