New answers tagged

6

There are two different aspects to or drivers of thirst, osmolality and hypovolemia, with plasma osmolality elevation being the more potent stimulus of thirst. As stated by @arboviral (and supported by his link), not a lot is known about the mechanisms of immediate thirst satiety. Much more is known about the mechanisms causing thirst, and the mechanisms of ...


-3

I'd say the answer is easy. Since the whole body is one body all you need is the change of of water saturation in a part of you to determine / extrapolate how much water has been ingested. We all came from the water and are mostly made out of water. So it's not like water is a foreign substance and we needs special receptors in order to determine water ...


3

Satiety is divided into pre-absorption and post-absorption - the mechanism you're asking about is preabsorption satiety, which as you point out occurs long before the water can be absorbed into the bloodstream and appears to be remarkably accurate. The receptors and underlying mechanisms of pre-absorption satiety are not fully known but are thought likely to ...



Top 50 recent answers are included