A method of producing flexible and strong models of canine airways is described. The animal's lungs are dried in inflation by using compressed air and then filled with silicone sealer. After this compound dries, the lung tissue is removed by corrosion by using NAOH. The result is a rugged, flexible, and anatomically faithful model of canine airways that is suitable for use in teaching.
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Wang et al. (1988) studied this question.
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