Stephen J. Schueler, M.D.

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Renal Tubular Acidosis Anatomy

To better understand renal tubular acidosis, it helps to understand the anatomy of the kidneys.

The kidneys are located in the back of the abdomen, below the ribcage and on either side of the spine. Each kidney weighs about 1/4 pound (0.6 kg) and is about the size of a fist.

The kidneys filter waste from the bloodstream and produce urine. The kidneys also regulate the salt and water balance for the body.


  • Kidney
  • Kidney cross section
  • Kidney cross section close-up
  • Kidney collecting system
  • Genitourinary system

Last Updated: Jan 4, 2011 References
Authors: Stephen J. Schueler, MD; John H. Beckett, MD; D. Scott Gettings, MD
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PubMed Renal Tubular Acidosis References
  1. Fulop M, Mackay M. Renal tubular acidosis, Sjogren syndrome, and bone disease. Arch Intern Med. 2004 Apr 26;164(8):905-9. [15111378]
  2. Igarashi T, Sekine T, Watanabe H. Molecular basis of proximal renal tubular acidosis. J Nephrol. 2002 Mar-Apr;15 Suppl 5:S135-41. [12027212]
  3. Nicoletta JA, Schwartz GJ. Distal renal tubular acidosis. Curr Opin Pediatr. 2004 Apr;16(2):194-8. [15021201]
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