ASCENDING TUBULE OF THE NEPHRON LOOP: • Tubular fluid osmolarity as it passes through this region • Permeable to • Impermeable to • As the tubular fluid moves through the ascending limb of the nephron loop it continually becomes more • The tubular fluid exits this region as it moves into the DESCENDING TUBULE OF THE NEPHRON LOOP: • Tubular fluid osmolarity as it passes through this region • Permeable to • Impermeable to • As the tubular fluid moves through the descending limb of the nephron loop it continually becomes more • The tubular fluid is located in the prior to entering this region decreases increases solutes (i.e. Na+) water Proximal Convoluted Tubule Distal Convoluted Tubule concentrated (higher in osmolarity) dilute (lower in osmolarity)
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Ascending Tubule of the Nephron Loop: - Tubular fluid osmolarity as it passes through this region: decreases - Permeable to: ions (such as Na+, K+, Cl-), but impermeable to water - As the tubular fluid moves through the ascending limb of the nephron loop it Show more…
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ASCENDING TUBULE OF THE NEPHRON LOOP: Tubular fluid osmolarity as it passes through this region. Permeable to: Impermeable to: As the tubular fluid moves through the ascending limb of the nephron loop, it continually becomes more. The tubular fluid exits this region as it moves into the. DESCENDING TUBULE OF THE NEPHRON LOOP: Tubular fluid osmolarity as it passes through this region. Permeable to: Impermeable to: As the tubular fluid moves through the descending limb of the nephron loop, it continually becomes more. The tubular fluid is located in the prior to entering this region.
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The countercurrent multiplier system of the loop of Henle Select one: Increases water permeability of cells in the collecting ducts Minimizes the vertical gradient between the ascending and descending limb of the loop of Henle, reducing water reabsorption to produce dilute urine Maximizes the vertical gradient between ascending and descending limbs of the loop of Henle, allowing greater reabsorption of water than otherwise achievable Expends energy to increase sodium and chloride excretion into the renal tubule, creating a vertical osmotic gradient in the renal tubule
most of the water and solutes that moved down into the proximal tubule are returned to the capillaries. filtration tubular secretion tubular reabsorption ADH adjustment metabolites such as urea, diffuse into the surrounding interstitial fluid then enter the nephron for excretion: filtration tubular secretion tubular reabsorption ADH adjustment Interstitial fluid Is around the hairpin turn of the loop of Henle dilute acidic basic saltiest
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