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Reabsorption and Secretion Along the Proximal Tubule - Anatomy & Physiology (view source)
Revision as of 18:33, 5 September 2008
, 18:33, 5 September 2008→[[Calcium Homeostasis - Anatomy & Physiology|Calcium]]
===[[Calcium Homeostasis - Anatomy & Physiology|Calcium]]===
===[[Calcium Homeostasis - Anatomy & Physiology|Calcium]]===
Half the plasma calcium is bound to proteins so it is only the ionised form which is available for filtration. Reabsorption of calcium occurs in the proximal tubule however the regulation of how much is reabsorbed occurs in the ascending limb of the loop of henle, the distal tubule and collecting ducts.
Half the plasma calcium is bound to proteins so it is only the ionised form which is available for filtration. Reabsorption of calcium occurs in the proximal tubule paracellulary however the regulation of how much is reabsorbed occurs in the ascending limb of the loop of henle, the distal tubule and collecting ducts.