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Reabsorption of nutrients in the renal tubule occurs via active transport and facilitated diffusion. Amino acids, glucose and phosphates are reabsorbed at the proximal convoluted tubule via active transport. Water and sodium chloride is reabsorbed at the loop of henle via facilitated diffusion.
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∙ 9y ago
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∙ 9y agoosmosis
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What are the three basic process that occur in the nephron?
Filtration, tubular reabsorption, tubular secretion
Name the process by which molecules move from the proximal convoluted tubule into the blood?
Tubular reabsorption
What is the function of tubular reabsorption?
Tubular reabsorption is the movement of filtrate from renal tubules back into blood in response to the body's specific needs.
What are the three steps of urine formation and in what part of the nephron does each occur?
Urine formation and the adjustment of blood composition involve three major processes: glomerular filtration by the glomeruli, and tubular reabsorption and tubular secretion in the renal tubules. In addition, the collecting ducts work in concert with the nephrons to concentrate or dilute the urine..Functions of the nephrons include filtration, tubular reabsorption, and tubular secretion. Via these functional processes, the kidneys regulate the volume, composition, and pH of the blood, and eliminate nitrogenous metabolic wastes.
How does water reabsorption in kidneys occur?
by osmosis through tubular aquaporins
What are the two reabsorption pathways through the tubular cell barrier?
Transcellular and paracellular
What are the three stages of production?
1.glomerular filtration by the glomeruli2.tubular reabsorption by the renal tubules3.tubular secretion by the renal tubules
Would an increase in tubular reabsorption decrease urine output?
This question is asking about a general phenomenon seen in the kidney: tubular reabsorption. The kidney tubules reabsorb lots of things, so you'd have to be specific in order to get a correct response. If you're asking whether, say, increasing tubular reabsorption of sodium would decrease urine output, the answer is yes assuming normal physiology.
What is the mechanism of urine formation?
The mechanism of urine formation takes place by three steps. they are glomerular filtration, tubular reabsorption and tubular secretion.
How does Tubular re-absorption and tubular secretion differ?
secretion adds material to the filtrate; reabsorption removes materials from the filtrate
What is reabsorbtion?
In renal physiology, reabsorption or tubular reabsorption is the process by which the nephron removes water and solutes from the tubular fluid (pre-urine) and returns them to the circulating blood. It is called reabsorption (and not absorption) because these substances have already been absorbed once (particularly in the intestines) and the body is reclaiming them from a postglomerular fluid stream that is on its way to becoming urine (that is, they will soon be lost to the urine unless they are reabsorbed from the tubule into the peritubular capillaries. Wiki
Approximately what percentage of water that leaves the blood each day by glomerular filtration returns to the blood by tubular reabsorption?
99%
