prepyloric vein

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Noun1.prepyloric vein - a tributary of the right gastric vein
vein, vena, venous blood vessel - a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood"
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The Nathanson liver retractor was placed just below the xiphoid process and liver was retracted; (2) identification of distal point of transection of the stomach: the pylorus was identified using the prepyloric vein of Mayo as the marker.
The pylorus was stabilized with an atraumatic grasper and a longitudinal seromuscular incision made from the prepyloric vein into the gastric antrum.