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SOLUTE REABSORPTION - Coggle Diagram
SOLUTE REABSORPTION
THE RENAL TUBULE
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DISTAL TUBULE:reabsorb salts (Na+,K+, Cl-) and dilute the tubule fluid
driven by Na+,K+-ATPase pump in the basolateral plasma membrane
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CALCIUM REABSORPTION
in proximal tubule, 65% of filtered Ca2+ is absorbed by paracellular and passive, driven by electrical and chemical gradients
Approximately 20% of Ca2+ is reabsorbed in the thick ascending limb of loop of Henle by both passive, paracellular means driven by electrochemical gradients and by active, transcellular transport.
Ca2+ transport in the thick ascending limb is suppressed when serum Ca2+ elevated through activation of the basolateral calcium-sensing receptor (CaSR)
basolateral plasma membrane of distal convoluted tubule and connecting segment cells contain Ca2+-ASE pump
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