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  2. Renal artery - Wikipedia

    en.wikipedia.org/wiki/Renal_artery

    The arterial supply of the kidneys is variable and there may be one or more renal arteries supplying each kidney. [1] It is located above the renal vein. Supernumerary renal arteries (two or more arteries to a single kidney) are the most common renovascular anomaly, occurrence ranging from 25% to 40% of kidneys. [8]

  3. Renal circulation - Wikipedia

    en.wikipedia.org/wiki/Renal_circulation

    Each arcuate artery supplies several interlobular arteries that feed into the afferent arterioles that supply the glomeruli. After filtration occurs, the blood moves through a small network of venules that converge into interlobular veins. As with the arteriole distribution, the veins follow the same pattern: the interlobular provide blood to ...

  4. 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]

  5. 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 ]

  6. Renal vein - Wikipedia

    en.wikipedia.org/wiki/Renal_vein

    In some individuals, the left renal vein passes posterior to the abdominal aorta instead of in anterior to it; [1] this is termed a retro-aortic left renal vein (also known as "The Vein of Schnitker"). If there is both a vein passing in front of and one behind the aorta this is called a circumaortic renal vein.

  7. 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 ...

  8. 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]

  9. 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 ...