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Countercurrent Mechanism

If DCT is imp...

Question

If DCT is impermeable to water, how can it be stimulated to release water even by aldosterone??

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Solution

DCT is permeable to water. Aldosterone causes reabsorption of Na⁺ and water from the distal parts of the tubule.

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Similar questions

Q. How is aldosterone release stimulated?

Q. Suberin coating allows the ________ to be water impermeable.

Q. Consider the following

(a) Release of aldosterone from adrenal gland

(b) Absorption of more

N a^{+}

and water from DCT

(c) Release of renin from JG cells

(d) Conversion of angiotensinogen to angiotensin – II

Arrange them in the correct sequence.

Q. Secretion of aldosterone in birds, man and other mammals is stimulated by :

Q. The ascending limb of Henle and the early distal tubule are __(i)__ to water. These regions actively transport __(ii)__ out of the filtrate and into the surroundings.

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