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  2. Renal artery - Wikipedia

    en.wikipedia.org/wiki/Renal_artery

    Due to the anatomical position of the aorta, the inferior vena cava, and the kidneys, the right renal artery is normally longer than the left renal artery. [1] [6] The right passes behind the inferior vena cava, the right renal vein, the head of the pancreas, and the descending part of the duodenum. It’s somewhat lower than the left one.

  3. Renal circulation - Wikipedia

    en.wikipedia.org/wiki/Renal_circulation

    Each renal artery branches into segmental arteries, dividing further into interlobar arteries, which penetrate the renal capsule and extend through the renal columns between the renal pyramids. The interlobar arteries then supply blood to the arcuate arteries that run through the boundary of the cortex and the medulla. Each arcuate artery ...

  4. Renal vein - Wikipedia

    en.wikipedia.org/wiki/Renal_vein

    The renal veins in the renal circulation, are large-calibre [1] veins that drain blood filtered by the kidneys into the inferior vena cava. There is one renal vein draining each kidney. [citation needed] Each renal vein is formed by the convergence of the interlobar veins of one kidney. [2]

  5. Interlobar veins - Wikipedia

    en.wikipedia.org/wiki/Interlobar_veins

    The interlobar veins are veins of the renal circulation which drain the renal lobes. [citation needed] They collect blood from the arcuate veins. The interlobar veins unite to form a renal vein. [1] Each interlobar vein passes along the edge of the renal pyramids. [2]

  6. Blood vessel - Wikipedia

    en.wikipedia.org/wiki/Blood_vessel

    The tunica media may (especially in arteries) be rich in vascular smooth muscle, which controls the caliber of the vessel. Veins do not have the external elastic lamina, but only an internal one. The tunica media is thicker in the arteries rather than the veins. The outer layer is the tunica adventitia and the thickest layer in veins. It is ...

  7. Arcuate vein - Wikipedia

    en.wikipedia.org/wiki/Arcuate_vein

    The arcuate vein is a vessel of the renal circulation. It is located at the border of the renal cortex and renal medulla . [ citation needed ] Arcuate veins pass around the renal pyramids at the border between the renal cortex and renal medulla in an arch shape. [ 1 ]

  8. Kidney - Wikipedia

    en.wikipedia.org/wiki/Kidney

    This becomes the ureter. At the hilum, the ureter and renal vein exit the kidney and the renal artery enters. Hilar fat and lymphatic tissue with lymph nodes surround these structures. The hilar fat is contiguous with a fat-filled cavity called the renal sinus. The renal sinus collectively contains the renal pelvis and calyces and separates ...

  9. Mammalian kidney - Wikipedia

    en.wikipedia.org/wiki/Mammalian_kidney

    The concave part of the bean-shaped kidneys is called the renal hilum, through which the renal artery and nerves enter the kidney. The renal vein, collecting lymphatic vessels and ureter exit the kidney through the renal hilum. [6] [55] The kidneys are located retroperitoneally [6] on the back wall of the body of mammals. [7]