Trisha Shetty (Editor)

Superior rectal vein

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Drains from
  
rectum

Artery
  
superior rectal artery

Dorlands /Elsevier
  
v_05/12851621

Source
  
hemorrhoidal plexus

Latin
  
vena rectalis superior

Superior rectal vein

Drains to
  
inferior mesenteric vein

The inferior mesenteric vein begins in the rectum as the superior rectal vein (superior hemorrhoidal vein), which has its origin in the hemorrhoidal plexus, and through this plexus communicates with the middle and inferior hemorrhoidal veins.

The superior rectal vein leaves the lesser pelvis and crosses the left common iliac vessels with the superior rectal artery, and is continued upward as the inferior mesenteric vein.

References

Superior rectal vein Wikipedia