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Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology (view source)
Revision as of 17:48, 22 September 2008
, 17:48, 22 September 2008no edit summary
* The [[Microscopic Anatomy of the Nephron - Anatomy & Physiology#Proximal Tubule|proximal tubule]] is a major site for reabsorption and some secretion.
* The [[Microscopic Anatomy of the Nephron - Anatomy & Physiology#Proximal Tubule|proximal tubule]] is a major site for reabsorption and some secretion.
* Gradients are small across the epithelium so tight regulation is not possible
* Gradients are small across the epithelium so tight regulation is not possible
* This occurs in the [[Distal Tubule - Anatomy & Physiology | distal tubule]]
* This occurs in the [[Reabsorption and Secretion Along the Distal Tubule and Collecting Duct - Anatomy & Physiology#Distal Tubule| distal tubule]]
* 65-80% of the filtrate is reabsorbed
* 65-80% of the filtrate is reabsorbed
* Most reabsorption is coupled to sodium ion movement
* Most reabsorption is coupled to sodium ion movement