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The area of the nephron that is sensitive to antidiuretic hormone (ADH) is the collecting duct. ADH increases the permeability of the collecting duct to water by promoting the insertion of aquaporin channels in the cell membranes. This allows for greater water reabsorption, which helps concentrate urine and maintain body fluid balance.
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What is obligatory reabsorption?
the reabsorption of water from pct,alh in nephron which is not influenced by adh.
What is the roleof anti-diuretichormone (ADH)in the body?
ADH makes the collecting duct & distal convoluted tubule of the nephron more permeable to water
What is the role of anti diuretichormone (ADH) in the body?
ADH makes the collecting duct & distal convoluted tubule of the nephron more permeable to water
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 is obligatory water reabsorption?
the reabsorption of water from pct,alh in nephron which is not influenced by adh.
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.
What is the role of anti-diuretic hormone (ADH) in the body?
ADH makes the collecting duct & distal convoluted tubule of the nephron more permeable to water
What is the name of the cells in the nephron that respond to ADH and aldosterone?
The cells in the nephron that respond to ADH are called principal cells, while the cells that respond to aldosterone are called intercalated cells. These cells play a crucial role in regulating the reabsorption of water and electrolytes in the kidneys.
When the level of ADH increases does less water get reabsorbed by the nephron and collecting duct?
No, when the level of antidiuretic hormone (ADH) increases, more water is reabsorbed by the nephron and collecting duct. ADH enhances the permeability of the collecting ducts to water, allowing more water to be reabsorbed back into the bloodstream. This results in concentrated urine and reduced urine volume. Thus, increased ADH leads to less water being excreted.
What area of the nephron is sensitive to the hormone aldosterone?
The distal convoluted tubule and the collecting duct are the areas of the nephron that are sensitive to the hormone aldosterone. Aldosterone acts on these segments to regulate the reabsorption of sodium and water, helping to maintain electrolyte balance and blood pressure.
Which component of the nephron does antidiuretic hormone ADH mainly target?
Antidiuretic hormone (ADH), also known as vasopressin, mainly targets the collecting ducts of the nephron. It promotes water reabsorption by increasing the permeability of the duct walls to water, which allows more water to be reabsorbed back into the bloodstream. This action helps to concentrate urine and maintain the body's water balance.
Which region of the nephron does ADH affect water reabsorption?
Antidiuretic hormone (ADH) primarily affects water reabsorption in the collecting ducts of the nephron. It increases the permeability of the collecting ducts to water by promoting the insertion of aquaporin-2 channels in the membranes of the cells lining the ducts. This allows more water to be reabsorbed back into the bloodstream, thereby concentrating the urine and reducing water loss.
