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Descriptor in English: Diffusion
Descriptor in Spanish: Difusión
Descriptor in Portuguese: Difusão
Descriptor in French: Diffusion
Entry term(s): Diffusions
Tree number(s): G01.202
G02.196
SP4.031.100.200.297.778
SP4.112.283
Scope note: 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.
Allowable Qualifiers: DE drug effects
RE radiation effects
History Note: 70(68)
DeCS UI: 4095
Descriptor UI: D004058
Date Established: 1970/01/01
Date of Entry: 1999/01/01
Revision Date: 2016/06/17
Diffusion - Preferred
Concept UI M0006364
Scope note 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.
Preferred term Diffusion
Entry term(s) Diffusions



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