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What is the best explanation for the microvilli on the apical surface of the proximal convoluted tubule (pct)?

User Jon Raasch
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The microvilli (just like the microvilli in the intestines) in the proximal convoluted tubule of the nephron, functions to increase the surface area of the tubule leading to a more efficient reabsorption process (as the PCT functionally functions to reabsorb solutes such as sodium, potassium, and glucose). 
User Dmitry Shintyakov
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