What does word absorption mean in the intestine?

[sameeralord]

What does word "absorption" mean in the intestine?

Water is absorbed in the intestine.
most water reabsorption take place in colon.

When they water is absorbed in the first sentence, do they mean water moving out from the intestine to blood vessels. When they say reabsorption do they mean water coming into the intestine from blood vessels?

The english is confusing me here. Thanks

 

[BioSjoerd]

Nope when they say water is being reabsorbed they mean that water is apsorbed that was excreted by the mouth (saliva) and stomach (stomach acid).
This adsorption takes time and you can notice this when you visit the toilet after you at something like raw food. Your body will want to get rid of it as soon as possible so there is no time for absorption.

 

[quicknote]

In the context of the intestine, absorption refers to the process of nutrients, water, and other substances being taken in or absorbed by the cells of the intestinal lining and then entering the bloodstream for distribution to the rest of the body. This is a crucial step in the digestive process, as it allows the body to extract the necessary nutrients and fluids from the food we consume.

In the first sentence, the absorption of water in the intestine means that water is moving from the intestinal lumen (the inside of the intestine) into the cells of the intestinal lining and then into the bloodstream. This is important for maintaining proper hydration levels in the body.

In the second sentence, reabsorption refers to the process of water being taken back into the intestine from the colon (the final part of the large intestine) after it has been initially absorbed. This is necessary for maintaining the balance of fluids in the body and preventing dehydration.

I hope this clarifies the meaning of absorption and reabsorption in the context of the intestine. Please let me know if you have any further questions.