Urine Formation II

Urine Formation II - Urinary System Urine Formation II:...

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Urinary System Urine Formation II: Tubular Reasorption and Secretion * Conversion of glomerular filtrate to urine involves the removal and addition of chemicals by tubular reabsorption and secretion. * This modification occurs as the filtrate flows through the nephron, from the PCT through the DCT Proximal Convoluted Tubule * Reabsorbs about 65% of the glomerular filtrate * Relatively great length and prominent microvilli, which increases absorptive surface area * Cells contain abundant large mictochondria that provide ATP for active transport * 6% of resting ATP and calories are consumed by the PCTs * Tubular reabsorption-the process of reclaiming water and solutes from the tubular fluid and returning them to the blood * Two routes of absorption Proximal Convoluted Tubule * Tubular reabsorption-the process of reclaiming water and solutes from the tubular fluid and returning them to the blood * Two routes of absorption * Transcellular- substances pass through the cytoplasm and out the base of the epithelial
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This note was uploaded on 01/30/2012 for the course BSC BSC1085 taught by Professor Sharonsimpson during the Fall '10 term at Broward College.

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Urine Formation II - Urinary System Urine Formation II:...

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