transport

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transport

 [trans´port]
1. movement of materials in biologic systems, particularly across the cell membrane into and out of cells or across epithelial layers.
2. in the nursing interventions classification, a nursing intervention defined as moving a patient from one location to another.
active transport see active transport.
oxygen transport the carrying of oxygen through the bloodstream bound to hemoglobin (see oxyhemoglobin).
passive transport the movement of materials, usually across cell membranes, by processes not requiring expenditure of metabolic energy. See also active transport.

trans·port

(trans'pōrt),
The movement or transference of biochemical substances in biologic systems.
[L. transporto, to carry over, fr. trans- + porto, to carry]

transport

/trans·port/ (trans´port) movement of materials in biological systems, particularly into and out of cells and across epithelial layers.
active transport  movement of materials in biological systems resulting directly from expenditure of metabolic energy.
Enlarge picture
(A) Passive transport exemplified by diffusion of potassium ions across the plasma membrane, through specific ion channels, down a concentration gradient; (B) active transport exemplified by the cellular sodium pump, which uses ATP hydrolysis to create gradients of sodium and potassium across the plasma membrane.
bulk transport  the uptake by or extrusion from a cell of fluid or particles, accomplished by invagination and vacuole formation (uptake) or by evagination (extrusion); it includes endocytosis, phagocytosis, pinocytosis, and exocytosis.

transport

[trans′pôrt]
Etymology: L, trans, across, portare, carry
the movement or transference of biochemical substances from one site to another. Active transport involves an expenditure of energy, whereas passive transport allows movement down a gradient without an energy expenditure.

trans·port

(trans'pōrt)
1. The movement or transference of biochemical substances in biologic systems.
2. In physical therapy, movement of patients from one area (or surface) to another.
See: transfer (3)
[L. transporto, to carry over, fr. trans- + porto, to carry]

transport

the movement of materials through a system, as in an ELECTRON TRANSPORT SYSTEM.

trans·port

(trans'pōrt)
The movement or transference of biochemical substances in biologic systems.
[L. transporto, to carry over, fr. trans- + porto, to carry]

transport,

n the movement of biochemical substances from one site to another.
transport, active,
n transport of substances through membranes or epithelium, requiring metabolic energy.
transport, passive,
n transport along a gradient without the use of metabolic energy.

transport

1. movement of materials in biological systems, particularly into and out of cells and across epithelial layers.
2. transport of animals, see transit, transportation.

active transport
see active transport.
transport death
death during transportation, e.g. porcine stress syndrome.
transport host
transport media
see transport medium.
membrane transport proteins
specific proteins associated with the plasma membrane of cells that are responsible for transferring solutes including ions, sugars, amino acids, nucleotides and many metabolites across cell membranes.
transport myopathy
see exertional rhabdomyolysis.
transport stress
stress imposed by lack of access to water and feed, physical exhaustion caused by standing for long periods, heat stress, aggression by other animals.
transport tetany
see transit tetany.
References in periodicals archive ?
5% and, when feasible, give the preference to a bulk transport system.
600/t * Sulphuric acid: $60/t * Bulk transport charges (all materials):
This method tends to rule out airfreight for bulky goods with a low added-value and, in general, raw materials, which are usually shipped in bulk transport vessels.
Owing to the technical and economic features, railway transport is suitable for the long and medium-distance transport of bulk cargos with low value in interior regions, the transport of general cargos and special cargos in large volumes and with low reliability requirement, the mass and one-time high-efficient transport, the bulk transport (coal, metal, ore, cereals, etc.
Trolleys for the bulk transport of luggage between terminals and aircraft.
In a recent instance, a customer came to Agudio with a specific request for a mine-to-plant bulk transport system.
Our mission has always been to become the regional leader in building materials production, trading and bulk transport logistic services.
Oryx Industries vice chairman and Group CEO Majdi Khalaf said, "Our mission has always been to become the regional leader in building materials production, trading, and bulk transport logistic services.
The main index, which factors in the average daily earnings of capesize, panamax, supramax and handysize dry bulk transport vessels, fell 8 points or 1.
As a leader in the flexible packaging industry, Plascon Group has built its success on manufacturing high quality innovative products that are used to package foods, manufacture pharmaceuticals and protect products during bulk transport.
In particular, our location dose to the docks in Hull helps to minimise bulk transport costs and enables companies to reduce the carbon footprint for their products, which is a key requirement in today's environmentally-conscious business world.
Kufuor has also drawn attention to the fact that, currently, "there is no rail link between Tema Port and the Tema Oil Refinery to the Takoradi, Tema and Akosombo ports for the bulk transport of both liquid and solid cargo by lake transport to serve the northern regions of Ghana and the landlocked countries of Burkina Faso, Mali and Niger.