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प्रश्न
In which segment of the nephron most of the re-absorption of substances takes place?
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उत्तर
In proximal convoluted tubule cells, Glucose, lactate, amino acids, Na+ and water, are reabsorbed. In the descending limb of Henle’s loop, water is reabsorbed. In the ascending limb, Na+, Cl and K+ are reabsorbed. In the distal convoluted tubule, water is reabsorbed.
संबंधित प्रश्न
Define the Glomerular Filtration Rate (GFR).
Dialysis fluid contains all the constituents as in plasma except ______.
Glucose is taken back from glomerular filtrate ___________
(A) along with concentration gradient
(B) against concentration gradient
(C) by simple diffusion
(D) by tubular secretion
Explain the process of formation of urine with suitable diagram
Add a noteon composition of urine.
Define the following:
Nephron
One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.
ADH, Water, pituitary, osmoregulation, urine
Write down the functional activity of the following parts,
Urethra ……………………
Choose the correct option.
Tubular secretion does not take place in ______.
What solute is normally present in the body to estimate GFR in humans?
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
Identify the biological term
A ball of inter twined capillaries.
Identify the biological term
Regulation of water and dissolved substances in blood and tissue fluid.
With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion?
What is tubular secretion? Name the substances secreted through the renal tubules.
Filtration of the blood takes place at ______.
First step in urine formation is ______.
Name the substances other than water, that are reabsorbed during urine formation. What are the two parameters that decide the amount of water that is reabsorbed in the kidney?
A large quantity of fluid is filtered every day by the nephrons in the kidneys. Only about 1% of it is excreted as urine. The remaining 99% of the filtrate ______.
Name the following:
Three stages of urine formation.
