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Yes, the reabsorption of solutes can influence water reabsorption in the nephron through the process of osmosis. As solutes are reabsorbed from the tubular fluid into the bloodstream, it creates an osmotic gradient that drives the movement of water across the tubular epithelium. This process helps regulate the final concentration and volume of urine produced by the kidneys.
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Which mechanisms reabsorb solutes from the glomerular filtrate?
Reabsorption of solutes in the glomerular filtrate primarily occurs through active transport and diffusion in the proximal convoluted tubule of the nephron. Key solutes such as glucose, amino acids, ions, and water are reabsorbed into the bloodstream in this segment of the nephron.
What happens with an increase in the solute concentration of the filtrate in the lumen of the nephron tubules?
An increase in the solute concentration of the filtrate leads to an increase in osmotic pressure in the nephron tubules. This triggers more water reabsorption from the filtrate, reducing urine volume and maintaining overall body fluid balance.
What is the difference between filtration and reabsorbtion?
Filtration Filtration is accomplished by the movement of fluids from the blood into the bowmans capsule. = Reabsorption = = Reabsorption involves the selective transfer of essential solutes and = water back into the blood.
What limits the maximum possible urine concentration?
Water
Do solutes attract water?
Yes, solutes can attract water molecules through a process called hydration or solvation. The solutes dissolve in water by forming bonds with water molecules, which can result in the formation of a solution. This attraction helps to stabilize the solute in water and ensures homogeneity of the solution.
What is obligatory water reabsorption?
the reabsorption of water from pct,alh in nephron which is not influenced by adh.
What is obligatory reabsorption?
the reabsorption of water from pct,alh in nephron which is not influenced by adh.
Which mechanisms reabsorb solutes from the glomerular filtrate?
Reabsorption of solutes in the glomerular filtrate primarily occurs through active transport and diffusion in the proximal convoluted tubule of the nephron. Key solutes such as glucose, amino acids, ions, and water are reabsorbed into the bloodstream in this segment of the nephron.
When water moves from a nephron in the kidney back to the blood it is called?
Reabsorption
What part of nephron does adh influence?
ADH (antidiuretic hormone) acts on the collecting duct of the nephron in the kidney. It increases the permeability of the collecting duct to water, allowing the reabsorption of more water back into the body, thus concentrating the urine.
What structure is important for the reabsorption of water?
The loop of Henle in the nephron is important for the reabsorption of water in the kidney. It creates a concentration gradient in the kidney medulla, allowing for the reabsorption of water back into the bloodstream.
In which segment of the nephron does tubular fluid have the highest osmolality?
The tubular fluid has the highest osmolality in the medullary collecting duct as water reabsorption occurs in this segment, concentrating the solutes in the tubular fluid.
Which section of the nephron performs MOST of the glucose and water reabsorption?
proximal convoluted tubule
Where does most water reabsorption occur?
Most water reabsorption in the body occurs in the proximal convoluted tubule of the kidney. This is the first part of the nephron where water is reabsorbed back into the bloodstream.
Can reabsorbing of solutes influence the reabsorption of water from the tubule fluid?
Yes. The movement of solutes into peritubular capillaries decreases the solute concentration of the tubular fluid but increases the solute concentration in the peritubular capillaries. As a result, water moves by osmosis into peritubular capillaries.
Where in the nephron does most solute reabsorption occur?
Proximal Convoluted Tubule
Which part of the nephron is under the control of the hormones ADH and aldosterone?
The distal tubule and collecting duct are the parts of the nephron that are under the control of the hormones ADH (antidiuretic hormone) and aldosterone. These hormones regulate water reabsorption and sodium reabsorption, respectively, in these segments of the nephron.
