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# Venous Drainage - Blood from the capillaries of the esophagus flows into a submucosal venous plexus, and then into a periesophageal venous plexus from which the esophageal veins originate. - The submucosal venous networks of the esophagus and stomach are in continuity with each other, and, in pa...

# Venous Drainage - Blood from the capillaries of the esophagus flows into a submucosal venous plexus, and then into a periesophageal venous plexus from which the esophageal veins originate. - The submucosal venous networks of the esophagus and stomach are in continuity with each other, and, in patients with portal venous obstruction, this communication functions as a collateral pathway for portal blood to enter the superior vena cava. | Portion | Empties into | |---|---| | Cervical | Inferior thyroid vein | | Thoracic | Bronchial, azygos, or hemiazygous vein | | Abdominal | Coronary vein |