passive transport


Also found in: Thesaurus, Medical, Legal, Financial, Encyclopedia, Wikipedia.
Related to passive transport: bulk transport

passive transport

n.
The movement of a chemical substance across a cell membrane without expenditure of energy by the cell, as in diffusion.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.passive transport - transport of a substance across a cell membrane by diffusion; expenditure of energy is not required
transport - an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes
Mentioned in ?
References in periodicals archive ?
This removal involves so-called active pump molecules as well as a passive transport of glutamate along nearby membranes.
(6) As glucose that is reabsorbed via SGLT-2 and SGLT-1 accumulates inside the proximal tubular cells, glucose transporter 2 (GLUT2) facilitates passive transport back into the surrounding interstitial fluid.
[5] These terms are based on the various modes of passive transport experienced by infected mosquitoes.
Results: High calcium diet increased the passive transport of mannitol and calcium while decreasing the active transport of calcium by the everted gut sacs.

Full browser ?