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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
Reabsorption of water from distal parts of the tubules is facilitated by hormone ______.
What is meant by osmoregulation?
Differentiate between
bowman’s capsule and glomerulus.
Explain the terms ultrafiltration and selective absorption
Name the following:
Organ where ultrafiltration occurs.
Give Reasons for the following:
As a result of ultrafiltration along with excretory products certain useful products like glucose, salt, etc. are also filtered but these are not excreted?
Differentiate between Afferent arteriole and Efferent arteriole.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Sometimes urine may contain certain excess vitamins.
Multiple Choice Question: In the Bowman’s capsule:
If Henle’s loop were absent from mammalian nephron, which one of the following is to be expected?
Identfiy the biological term
Temporary storage of urine.
Identify the biological term
Each contains a glomerulus.
Identify the biological term
Consists of the kidneys, ureters and bladder.
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.
The human kidney is histologically divided into ____________.
The osmotic pressure of blood that opposes ultrafiltration is about ______ mm Hg.
First step in urine formation is ______.
What are the main processes of urine formation?
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
