The skin as « third kidney ».

07:00 EST 20th February 2019 | BioPortfolio

Summary of "The skin as « third kidney »."

The skin is the largest human organ playing an important role in protection, thermoregulation and sensation. Recent studies suggest that a new function has to be added: the storage of sodium. There is increasing evidence that sodium can accumulate in the skin, which suggests that the skin contributes to the regulation of sodium balance in humans, and possibly to the control of extracellular volume and blood pressure homeostasis. The main product of the skin is sweat. Body sweat contains electrolytes and urea. Their concentration can increase considerably when sweat production is stimulated by saunas or hot baths. This finding has motivated studies investigating the effect of stimulated sweating on volume control in patients suffering from kidney disease or heart failure. The physiological concept that sees the skin as third kidney and its possible clinical applications are discussed in this article.


Journal Details

This article was published in the following journal.

Name: Revue medicale suisse
ISSN: 1660-9379
Pages: 418-421


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Medical and Biotech [MESH] Definitions

A complication of kidney diseases characterized by cell death involving KIDNEY PAPILLA in the KIDNEY MEDULLA. Damages to this area may hinder the kidney to concentrate urine resulting in POLYURIA. Sloughed off necrotic tissue may block KIDNEY PELVIS or URETER. Necrosis of multiple renal papillae can lead to KIDNEY FAILURE.

The outer zone of the KIDNEY, beneath the capsule, consisting of KIDNEY GLOMERULUS; KIDNEY TUBULES, DISTAL; and KIDNEY TUBULES, PROXIMAL.

Long convoluted tubules in the nephrons. They collect filtrate from blood passing through the KIDNEY GLOMERULUS and process this filtrate into URINE. Each renal tubule consists of a BOWMAN CAPSULE; PROXIMAL KIDNEY TUBULE; LOOP OF HENLE; DISTAL KIDNEY TUBULE; and KIDNEY COLLECTING DUCT leading to the central cavity of the kidney (KIDNEY PELVIS) that connects to the URETER.

Stones in the KIDNEY, usually formed in the urine-collecting area of the kidney (KIDNEY PELVIS). Their sizes vary and most contains CALCIUM OXALATE.

Abnormal enlargement or swelling of a KIDNEY due to dilation of the KIDNEY CALICES and the KIDNEY PELVIS. It is often associated with obstruction of the URETER or chronic kidney diseases that prevents normal drainage of urine into the URINARY BLADDER.

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