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osmosis
(oz-mo´sis)
(os-mo´sis)
the diffusion of pure solvent across a membrane in response to a concentration gradient, usually from a solution of lesser to one of greater solute concentration. This process and the factors that influence it are important clinically for maintenance of adequate body fluids
and proper balance between volumes of extracellular fluid and intracellular fluid. adj., osmot´ic., adj.

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