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FACILITATED DIFFUSION
Descriptors Found:
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DeCS
Descriptor
English
:
Facilitated Diffusion
Descriptor
Spanish
:
Difusión Facilitada
Descriptor
Portuguese
:
Difusão Facilitada
Tree Number:
G01.154.100.280
G01.595.100.280
G01.595.200.374
G02.149.767.560.500
G02.842.750.560.500
G03.495.166.427
Definition
English
:
The passive
movement
of molecules exceeding the rate expected by simple
diffusion
. No
energy
is expended in the process. It is achieved by the introduction of passively diffusing molecules to an enviroment or path that is more favorable to the
movement
of those molecules. Examples of
facilitated diffusion
are passive transport of hydrophilic substances across a lipid membrane through hydrophilic pores that traverse the membrane, and the sliding of a DNA BINDING PROTEIN along a strand of DNA.
History Note
English
:
2009
Allowable Qualifiers
English
:
DE
drug effects
GE
genetics
IM
immunology
PH
physiology
RE
radiation effects
Record Number:
53281
Unique Identifier:
D055459
Occurrence in VHL
:
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CID-10
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