Renal vein

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Vein: Renal vein
Gray1122.png
The anterior surfaces of the kidneys, showing the areas of contact of neighboring viscera.
Blausen 0592 KidneyAnatomy 01.png
Kidney anatomy, with renal vein labeled near center.
Latin venae renales
Gray's p.679
Drains from kidney
Source
interlobar veins
Drains to
inferior vena cava
Artery
Renal artery
MeSH Renal+Veins

The renal veins are veins that drain the kidney. They connect the kidney to the inferior vena cava. They carry the blood purified by the kidney.

Structure[edit]

There is one vein per kidney, that divides into 2 divisions upon entering the kidney:

  • the anterior branch which receives blood from the anterior portion of the kidney and,
  • the posterior branch which receives blood from the posterior portion.

Because the inferior vena cava is on the right half of the body, the left renal vein is generally the longer of the two.

Because the inferior vena cava is not laterally symmetrical, the left renal vein often receives the following veins:[1]

This is in contrast to the right side of the body, where these veins drain directly into the IVC.

Often, each renal vein will have a branch that receives blood from the ureter.

Variation[edit]

It is usually singular to each kidney, except in the condition "multiple renal veins".[2]

Clinical significance[edit]

Diseases associated with the renal vein include renal vein thrombosis (RVT) and nutcracker syndrome (renal vein entrapment syndrome).

Additional images[edit]

See also[edit]

This article uses anatomical terminology; for an overview, see anatomical terminology.

References[edit]

  1. ^ Dissector Answers - Kidney & Retroperitoneum
  2. ^ "Multiple renal veins". Medcyclopaedia. GE. Archived from the original on 2012-02-05. 

External links[edit]

  • Anatomy figure: 40:06-05 at Human Anatomy Online, SUNY Downstate Medical Center - "Retroperitoneal structures on the posterior abdominal wall."