Megaesophagus
Body function: Metabolic & Digestive
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Congenital megaesophagus is a genetic disorder affecting several different dog breeds. It is believed to be caused by incomplete nerve development in the esophagus and decreases the mobility of the esophageal muscles. As a result, food and liquid accumulate in the esophagus and cause it to stretch, resulting in a larger than-normal esophagus.
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