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A good animation illustrating osmosis is still missing. But I would not cram that into this image. This pic shows hypotonic, hypertonic, and isotonic blood cells, and that's it. It is not explaining osmosis, just as it is not explaining how a red blood cell works. --Dschwen 20:19, 18 February 2007 (UTC)
Osmoregulation is the active regulation of the osmotic pressure of an organism's body fluids, detected by osmoreceptors, to maintain the homeostasis of the organism's water content; that is, it maintains the fluid balance and the concentration of electrolytes (salts in solution which in this case is represented by body fluid) to keep the body fluids from becoming too diluted or concentrated.
Osmotic pressure is an important factor affecting biological cells. [4] Osmoregulation is the homeostasis mechanism of an organism to reach balance in osmotic pressure. Hypertonicity is the presence of a solution that causes cells to shrink. Hypotonicity is the presence of a solution that causes cells to swell.
English: Diagram of osmosis in a U-shaped tube through a dialysis membrane when sugar is added to pure water on one side of the membrane. Level of fluid rises on the side to which the sugar has been added and drops on the other side.
Turgor pressure within cells is regulated by osmosis and this also causes the cell wall to expand during growth. Along with size, rigidity of the cell is also caused by turgor pressure; a lower pressure results in a wilted cell or plant structure (i.e. leaf, stalk). One mechanism in plants that regulate turgor pressure is the cell's ...
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A plant cell in hypotonic solution will absorb water by endosmosis, so that the increased volume of water in the cell will increase pressure, making the protoplasm push against the cell wall, a condition known as turgor. Turgor makes plant cells push against each other in the same way and is the main line method of support in non-woody plant ...