Distal

... fits a mathematical model that, unfortunately, does not reveal what is going on .. ADH causes aquaporin 2 proteins to be inserted into the distal nephron (DCT) .. these aquaporins selectively allow water to be resorbed into the body to increase water levels and, with it, blood pressure. ...

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... the loop of henle (or nephron) consists of a descending limb that allows water to leave and an ascending limb that extrudes salt. there is also a distal convoluted tubule tht recieves molecules secreted from the blood into to the tubule. is there anyother way to explain that??? maybe in an easer ...

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... attach to receptors on the macrophages, so you've got the third. I'm not sure about pinocytosis, but I would suspect that it happens in the distal convoluted tubules of the kidneys, where materials the body needs to discard (but wouldn't go through the filter) are added to urine.

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How can antidiuretic hormone increases the permeability of the distal convoluted tubule?

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low water --> ADH --> aldosterone --> distal convoluted tubule more permeable --> water comes back --> urine more concentrated

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