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pul·sion diverticulum

n :  a diverticulum pushed out from a hollow organ by pressure from within : specif  :  a diverticulum of the esophagus as a result of the pressure from within resulting in herniation of the mucosa - compare ZENKER'S DIVERTICULUM  .

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Lillian M. Hudspeth Memorial Hospital (Sonora, Texas - Sutton County)