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In nephron, the maximum reabsorption takes place in
- a)Thick ascending Loop of Henle
- b)Distal convoluted tubule
- c)Proximal convoluted tubule (PCT)
- d)Collecting ducts
Correct answer is option 'C'. Can you explain this answer?
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In nephron, the maximum reabsorption takes place ina)Thick ascending L...
Maximum reabsorption in nephron takes place in Proximal convoluted tubule cells. About two third salt and water, 100% organic solutes, 65% potassium, 50% urea , approx 80% phosphate and approx 70-90% citrate is reabsorbed in PCT.
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In nephron, the maximum reabsorption takes place ina)Thick ascending L...
Proximal convoluted tubule (PCT)
The maximum reabsorption in the nephron occurs in the Proximal Convoluted Tubule (PCT) due to its structure and function.
Structure of PCT:
- The PCT is lined with microvilli, which increase its surface area for reabsorption.
- It has a high density of mitochondria to provide energy for active transport processes.
Function of PCT:
- The PCT is responsible for reabsorbing the majority of filtered water, ions, and nutrients from the glomerular filtrate back into the bloodstream.
- It reabsorbs around 65-75% of filtered sodium and water, as well as glucose, amino acids, and other solutes.
- This reabsorption is essential for maintaining the body's fluid balance, electrolyte levels, and nutrient concentrations.
Maximum Reabsorption:
- The PCT has a high reabsorptive capacity due to its specialized structure and active transport mechanisms.
- It plays a crucial role in the reabsorption of key substances before the filtrate reaches the Loop of Henle and distal tubule.
- The efficient reabsorption in the PCT ensures that essential substances are retained in the body while waste products are excreted in the urine.
In conclusion, the Proximal Convoluted Tubule is where the maximum reabsorption takes place in the nephron, making it a vital component of kidney function and overall homeostasis in the body.
The maximum reabsorption in the nephron occurs in the Proximal Convoluted Tubule (PCT) due to its structure and function.
Structure of PCT:
- The PCT is lined with microvilli, which increase its surface area for reabsorption.
- It has a high density of mitochondria to provide energy for active transport processes.
Function of PCT:
- The PCT is responsible for reabsorbing the majority of filtered water, ions, and nutrients from the glomerular filtrate back into the bloodstream.
- It reabsorbs around 65-75% of filtered sodium and water, as well as glucose, amino acids, and other solutes.
- This reabsorption is essential for maintaining the body's fluid balance, electrolyte levels, and nutrient concentrations.
Maximum Reabsorption:
- The PCT has a high reabsorptive capacity due to its specialized structure and active transport mechanisms.
- It plays a crucial role in the reabsorption of key substances before the filtrate reaches the Loop of Henle and distal tubule.
- The efficient reabsorption in the PCT ensures that essential substances are retained in the body while waste products are excreted in the urine.
In conclusion, the Proximal Convoluted Tubule is where the maximum reabsorption takes place in the nephron, making it a vital component of kidney function and overall homeostasis in the body.
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In nephron, the maximum reabsorption takes place ina)Thick ascending Loop of Henleb)Distal convoluted tubulec)Proximal convoluted tubule (PCT)d)Collecting ductsCorrect answer is option 'C'. Can you explain this answer?
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