November 4, 2011

2.74 ADH

2.74 Describe the role of AGH in regulating the water content of the blood.

Anti-Diuretic hormone – produced in a region of the brain known as the hypothalamus, like all hormones it flows through the blood stream to its target; the kidney. It’s job is to control and alter the quantity of water in the blood such that the tissue fluid is isotonic with the cells
ADH targets the collecting duct in the kidney nephron; applying the hormone increases the amount of water reabsorbed from the collecting duct. It makes the collecting duct walls more porous.


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