Osmoregulation in the Collecting Duct

If you sweat or loose too much water:-

1. Water loss will cause a lower than normal blood water potential.

2. This will be detected by the hypothalamus & the pituitary gland will release more ADH into the bloodstream. Feelings of thirst will be experienced.

3. The collecting duct will become more permeable to water & aquaporin channels will open.

4. This allows for more water to be


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