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This blog post will discuss what happens to the urine volume when the solute gradient in the interstitial space is increased.
What Happens to the Urine Volume When the Solute Gradient in the Interstitial Space is Increased?
Hans Selye, an internationally renowned scientist and pioneer of modern stress research, was among many scientists who studied erythrocyte sedimentation rates. He found that when he increased solute concentration (increased osmotic gradient) blood cells are unable to reabsorb water from their surfaces. The more concentrated a solution becomes, less water will be available for cellular uptake due to this phenomenon known as “surface tension.” This discovery led him down a path of studying how external changes affect living organisms and has been extensively used by psychologists since then.
This blog post will discuss what happens to the urine volume when the solute concentration in the interstitial space is increased.
The diagram below shows that when you increase the solute concentration, it causes a decrease in urine volume. The more concentrated a solution becomes, less water will be available for cellular uptake due to this phenomenon known as “surface tension.” This discovery led him down a path of studying how external changes affect living organisms and has been extensively used by psychologists since then.
This blog post will discuss what happens to the urine volume when the soluted gradient (or osmotic pressure) in an animal’s body is increased – specifically around their kidneys.[/p]
[p]It’s not just the concentration of solutes that changes. The size, shape and thickness of cells and membranes also change with a higher osmotic pressure as well. When the gradient is increased it causes an increase in body fluid retention which results in less urine volume being excreted from this organ.[/p][br /]
One example includes when you drink lots of water – to dilute your blood so there will be more on “hand” for delivery throughout your body. Another significant situation where surface tension plays its role involves swallowing liquids or ingesting pills; if too much saliva builds up because hydration has been reduced, then swallowing becomes impossible due to high chemical concentrations at the mouth cavity surface aiding in the swallowing process.
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