ADH influences water permeability in the | vedclass

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(B) $ADH$ (Antidiuretic Hormone),also known as vasopressin,is released from the posterior pituitary gland.It acts primarily on the distal convoluted t

Vedclass · Accepted Answer

Distal tubule

Vedclass · Answer

(B) $ADH$ (Antidiuretic Hormone),also known as vasopressin,is released from the posterior pituitary gland.It acts primarily on the distal convoluted tubule $(DCT)$ and the collecting duct of the nephron.It increases the permeability of these segments to water by inserting aquaporin channels into the cell membranes.This facilitates the reabsorption of water back into the blood,thereby concentrating the urine and preventing water loss.Therefore,the correct answer is the distal tubule and collecting tubule,but among the given options,the distal tubule is the primary site of regulation mentioned in standard texts.

$ADH$ influences water permeability in the

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Fill in the gaps:
Reabsorption of water from distal parts of the tubules is facilitated by hormone ................... .

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