Osmosis Animation: Cell in Hypertonic Environment)

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Osmosis is the diffusion of water across a membrane from an area of higher water concentration (lower solute concentration) to lower water concentration (higher solute concentration).

If the environment is hypertonic, the water concentration is greater inside the cell while the solute concentration is higher outside - the interior of the cell is hypotonic to the surrounding hypertonic environment. The net flow of water is out of the cell.

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Updated: May 16, 2006
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