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cell membrane |
the semipermeable membrane that encloses the contents of a cell; plasma membrane. |
dialysis |
the separation of substances in a solution by diffusion through a semipermeable membrane, used to eliminate impurities from the blood in patients with kidney failure. |
osmosis |
the passage or diffusion of a liquid through a semipermeable membrane until the concentration is the same on both sides of the membrane, or the tendency of a liquid to diffuse in such a way. [1/2 definitions] |
osmotic pressure |
the pressure created by a solvent in passing through a semipermeable membrane. (See osmosis.) |
plasma membrane |
the thin, semipermeable membrane that encloses a plant or animal cell. |
reverse osmosis |
a method of filtering pure water molecules out of salt water or polluted water by forcing the water through a semipermeable membrane. |
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