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Portal Vein 3D

  • Description                                                       
    • * Is formed by the union of the splenic vein and the superior mesenteric vein posterior to the neck of the pancreas.
    • * Drains the abdominal part of the gut, spleen, pancreas, and gallbladder.
    • * Receives the left gastric vein.
    • * Carries deoxygenated blood containing nutrients.
    • * Carries three times as much blood as the hepatic artery and maintains a higher blood pressure than in the IVC.

                                                                                                                       

  • Superior Mesenteric Vein:
    • * Accompanies the superior mesenteric artery on its right side in the root of the mesentery.
    • * Crosses the third part of the duodenum and the uncinate process of the pancreas and terminates posterior to the neck of the pancreas by joining the splenic vein, forming the portal vein.
    • * Its tributaries are some of the veins that accompany the branches of the superior mesenteric artery.

                                                                                                                    

  • Splenic Vein:
    • * Is formed by the union of tributaries from the spleen.
    • * Receives the short gastric, left gastroepiploic, and pancreatic veins.

                                                                                                                         

  • Inferior Mesenteric Vein:
    • * Is formed by the union of the superior rectal and sigmoid veins.
    • * Receives the left colic vein and drains into the splenic vein or superior mesenteric vein or the junction of the superior mesenteric and splenic veins.

                                                                                                                      

  • Left Gastric Vein:
    • * Has esophageal tributaries that anastomose with the esophageal veins of the azygos system at the lower part of the esophagus and eventually enter the systemic venous system.
    • * Drains usually into the portal vein.

                                                                                                                          

  • Paraumbilical Veins:
    • * Connect the left branch of the portal vein with the small subcutaneous veins in the region of the umbilicus.
    • * Are found in the falciform ligament and are virtually closed; however, they dilate in portal hypertension.

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  • Description                                                       
    • * Is formed by the union of the splenic vein and the superior mesenteric vein posterior to the neck of the pancreas.
    • * Drains the abdominal part of the gut, spleen, pancreas, and gallbladder.
    • * Receives the left gastric vein.
    • * Carries deoxygenated blood containing nutrients.
    • * Carries three times as much blood as the hepatic artery and maintains a higher blood pressure than in the IVC.

                                                                                                                       

  • Superior Mesenteric Vein:
    • * Accompanies the superior mesenteric artery on its right side in the root of the mesentery.
    • * Crosses the third part of the duodenum and the uncinate process of the pancreas and terminates posterior to the neck of the pancreas by joining the splenic vein, forming the portal vein.
    • * Its tributaries are some of the veins that accompany the branches of the superior mesenteric artery.

                                                                                                                    

  • Splenic Vein:
    • * Is formed by the union of tributaries from the spleen.
    • * Receives the short gastric, left gastroepiploic, and pancreatic veins.

                                                                                                                         

  • Inferior Mesenteric Vein:
    • * Is formed by the union of the superior rectal and sigmoid veins.
    • * Receives the left colic vein and drains into the splenic vein or superior mesenteric vein or the junction of the superior mesenteric and splenic veins.

                                                                                                                      

  • Left Gastric Vein:
    • * Has esophageal tributaries that anastomose with the esophageal veins of the azygos system at the lower part of the esophagus and eventually enter the systemic venous system.
    • * Drains usually into the portal vein.

                                                                                                                          

  • Paraumbilical Veins:
    • * Connect the left branch of the portal vein with the small subcutaneous veins in the region of the umbilicus.
    • * Are found in the falciform ligament and are virtually closed; however, they dilate in portal hypertension.

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