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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 ?
By breaking the established link between CORBA and TCP/IP, OpenFusion e*ORB SDR with its high performance transports is able to provide orders of magnitude advances in performance.
The Ranger Transport API, Silver Bullet's flagship product, is a software tool that allows item-processing applications to run unchanged on virtually every transport type.
As an independent body whose purpose it is to define and standardize transport and OS-independent APIs that exploit remote direct memory addressing (RDMA) capabilities, we rely on leading technology companies such as VIEO to publish interfaces for unencumbered use by the industry.
high-speed Internet access, transparent LAN) from multiple customers to a single central site, is critical for transport efficiency because it reduces port counts on central-site switches and routers as well as transport gear.
The VPS-9 is a complementary addition to our product lines and an example of our commitment to the highest quality solutions for the video transport market.
ADC's media access system will enable the ICN to cost-effectively deliver high quality multimedia signals to schools, universities, hospitals and all connected sites," said Joe Cozzolino, vice president and general manager of ADC's Digital Transport Systems Group.
Unisys NDP transports significantly reduce the total cost of ownership by accommodating scalable configurations, industry-standard development tools and open connectivity.
For example, if a broadband data distribution system includes sites that can receive only by either SMDS or satellite, Proclaim software will send information via both transports.
Providing on-time delivery is critical for our business, and being able to communicate in real-time is essential," said Warren Lasch, president of Bavarian Motor Transport.
It also continues StorageTek's long-held compatibility strategy that allows NearlinePlus tape transports (TimberLine and RedWood SD-3), as well as Silverton and 18-track transports) to attach to any NearlinePlus automated tape library without modifications.
Thales, through its Transport and Services division, will provide its smartcard knowledge and experience in the conception and implementation of large-scale, integrated fare collection systems; Vialis will install and maintain the system's physical infrastructure, such as smartcard readers and ticketing and fare machines.