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Gross Anatomy of the Urinary System
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In which part of a nephron does most reabsorption take place?
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A
proximal convoluted tubule (PCT)
💡 Explanation:
The proximal convoluted tubule (PCT) is the site where the vast majority of reabsorption occurs in the nephron. It reabsorbs approximately 65% of the water, sodium, and potassium from the filtrate, along with virtually 100% of glucose and amino acids.