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The tendency of a gas or solute to pass from a point of higher pressure or concentration to a point of lower pressure or concentration and to distribute itself throughout the available space. Diffusion, especially FACILITATED DIFFUSION, is a major mechanism of BIOLOGICAL TRANSPORT.

Year introduced: 1970(1968)

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    Tree Number(s): G01.202, G02.196

    MeSH Unique ID: D004058

    Entry Terms:

    • Diffusions

    Previous Indexing:

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