The embryo has three broad types of veins: cardinal, umbilical, and vitelline (Ilina and Lilley 2019). The veins of the systemic circulation are derived from the cardinal veins; a portion of the inferior vena cava (IVC), along with the portal venous system, is derived from the vitelline veins of the abdominal wall, which drain into the systemic veins.

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Veins of the Abdominal Wall

  • Ronit Patnaik,
  • Lisandro Montorfano

摘要

The embryo has three broad types of veins: cardinal, umbilical, and vitelline (Ilina and Lilley 2019). The veins of the systemic circulation are derived from the cardinal veins; a portion of the inferior vena cava (IVC), along with the portal venous system, is derived from the vitelline veins of the abdominal wall, which drain into the systemic veins.