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 ?
Objective: Passive transport through lipid membranes is ubiquitous and fundamental in living systems.
5] These terms are based on the various modes of passive transport experienced by infected mosquitoes.
High calcium concentration in the gut has been shown to enhance passive transport of glucose in the rat intestine.

Full browser ?