Search
Descriptor English: Facilitated Diffusion
Descriptor Spanish: Difusión Facilitada
Descriptor difusión facilitada
Scope note: Movimiento pasivo de moléculas que superan la velocidad esperada por difusión simple. No se gasta energía en el proceso. Se consigue por la introducción de moléculas que difunden pasivamente a un ambiente o curso que es más favorable al movimiento de dichas moléculas. Ejemplos de difusión facilitada son el transporte pasivo de sustancias hidrófilas por una membrana lípida a través de poros hidrófilos que atraviesan la membrana, y el deslizamiento de la PROTEÍNA DE UNIÓN AL ADN a lo largo de una hebra de ADN.
Descriptor Portuguese: Difusão Facilitada
Descriptor French: Diffusion facilitée
Entry term(s): Diffusion, Facilitated
Tree number(s): G01.154.280
G01.202.374
G02.196.500
G03.143.427
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D055459
Scope note: 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.
Allowable Qualifiers: DE drug effects
GE genetics
IM immunology
PH physiology
RE radiation effects
Previous Indexing: Diffusion (1969-2008)
Public MeSH Note: 2009
History Note: 2009
DeCS ID: 53281
Unique ID: D055459
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 2009/01/01
Date of Entry: 2008/07/08
Revision Date: 2016/06/23
Facilitated Diffusion - Preferred
Concept UI M0517838
Scope note 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.
Preferred term Facilitated Diffusion
Entry term(s) Diffusion, Facilitated



We want your feedback on the new DeCS / MeSH website

We invite you to complete a survey that will take no more than 3 minutes.

Go to survey