Development of the Venous SystemThis is a featured page

Development of the Venous System
  • The venous system develops from the vitelline, umbilical, and cardinal veins, which drain into the sinusvenosus.
Vitelline veins
  • Return poorly oxygenated blood from the yolk sac.
  • Right vein forms the hepatic veins and sinusoids, ductus venosus, hepatic portal, superior mesenteric, inferior mesenteric, and splenic veins and part of the IVC.
  • Left vein forms the hepatic veins and sinusoids and ductus venosus.
Umbilical veins
  • Carry well-oxygenated blood from the placenta.
  • Right vein degenerates during early development.
  • Left vein forms the ligamentum teres hepatis.

Cardinal veins
  • Return poorly oxygenated blood from the body of the embryo.
  • Anterior cardinal vein forms the internal jugular veins and SVC.
  • Posterior cardinal vein forms a part of the IVC and common iliac veins.
  • Subcardinal vein forms a part of the IVC, renal veins, and gonadal veins.
  • Supracardinal vein forms a part of the IVC, intercostal, azygos, and hemiazygos veins.

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AndyC
AndyC
Latest page update: made by AndyC , Sep 22 2010, 2:04 AM EDT (about this update About This Update AndyC Edited by AndyC

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