- passive transport
- the movement of substances, usually across cell membranes, by processes not requiring expenditure of metabolic energy. Cf. active t.
Medical dictionary. 2011.
passive transport
Look at other dictionaries:
Passive transport — means moving biochemicals and other atomic or molecular substances across membranes. Unlike active transport, this process does not involve chemical energy, because, unlike in an active transport, the transport across membrane is always coupled… … Wikipedia
passive transport — The movement of a substance, usually across a plasma membrane, by a mechanism that does not require metabolic energy. See active transport, transport protein, facilitated diffusion, ion channels … Dictionary of molecular biology
passive transport — noun transport of a substance across a cell membrane by diffusion; expenditure of energy is not required • Hypernyms: ↑transport … Useful english dictionary
Transport (disambiguation) — Transport most likely refers to: :* Transport, the movement of people and goods from place to place, and related terms such as: ** transport , used (especially in military contexts) to mean a vehicle to carry supplies or personnel, , e.g.… … Wikipedia
passive — I. adjective Etymology: Middle English, from Latin passivus, from passus, past participle Date: 14th century 1. a. (1) acted upon by an external agency (2) receptive to outside impressions or influences b. (1) asserting that the grammatical… … New Collegiate Dictionary
Transport (Biologie) — Übergeordnet Biologischer Prozess Untergeordnet Intrazellulärer Transport Transmembrantransport Extrazellulärer Transp … Deutsch Wikipedia
passive — Not active; submissive. [L. passivus, fr. patior, to endure] * * * pas·sive pas iv adj 1 a ) (1) lethargic or lacking in energy or will (2) tending not to take an active or dominant part <a passive spouse> b) induced by an outside agency… … Medical dictionary
transport — transportable, adj. transportability, n. transportive, adj. v. /trans pawrt , pohrt /; n. /trans pawrt, pohrt/, v.t. 1. to carry, move, or convey from one place to another. 2. to carry away by strong emotion; enrapture. 3. to send into banishment … Universalium
Passive dynamics — is an approach to robotic movement control (especially walking), based on utilising the momentum of swinging limbs for greater efficiency. This method is based on using the morphology of a mechanical system as a basis for necessary controls.… … Wikipedia
Passive optical network — Pour les articles homonymes, voir PON. Le terme PON, pour Passive Optical Network (réseau optique passif), désigne un principe de transport de niveau 1 en fibre optique utilisé dans les réseaux de desserte optique (FTTx), caractérisé par une… … Wikipédia en Français
