membrane transport
The transfer of a substance from one side of a plasma membrane to the other, in a specific direction, and at a rate faster than diffusion alone. See active transport.

Dictionary of molecular biology. 2004.

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  • Transport protein — A transmembrane protein that helps a certain substance or class of closely related substances to cross the membraneTransport protein can refer to: *Membrane transport protein *Vesicular transport protein *Water soluble carriers of small molecules …   Wikipedia

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  • Membrane Plasmique — La membrane plasmique d une cellule eucaryote. La membrane plasmique, ou plasmalemme, est la membrane qui délimite une cellule, elle sépare le cytoplasme du milieu extérieur. Sommaire …   Wikipédia en Français

  • Membrane cellulaire — Membrane (biologie) Pour les articles homonymes, voir Membrane. Fig 1. Schéma d une cellule et de ses membranes; 2. Membrane nucléaire; 4. Vésicule; 5. Réticulum …   Wikipédia en Français

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