Main Page | See live article | Alphabetical index Visking tubing is tubing with a semi-permeable exterior, thus allowing by osmosis small molecules such as water through its wall, while preventing larger molecules such as starch from passing through. It is used as a filter for dialysis. See also: Apparatus for demonstrating osmosis, School Biology experiments and demonstrations, Osmosis demonstration This article is a stub. You can help Wikipedia by fixing it. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.