anchor

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anchor

(ang'ker),
Any device that fixes the position of an object with respect to its surroundings.
[M.E. anker, fr. O.E. ancor, fr. L. ancora, fr. G. ankyra]

anchor

A clinical trial term of art for a planned activity, often marking the transition between epochs (stages) or elements of a clinical study plan—e.g., FP/FV (first patient/first visit).

anchor

(ang′kŏr) [L. ancora, anchora, fr Gr. ankyra, anchor]
1. Any structure that provides stability for a prosthetic dental appliance, e.g., a crown, bridge, or denture. The anchor may be a metal implant, a natural tooth, or part of a fixed bridge.
2. In emergency medicine, to tie or attach a rope or sling so it will not move and can support the weight of the rescuers, basket, and patient.
3. A tree, rock, door casing, or other strong stable device that will not move when a rescuer and patient's weight are attached to it.
4. In cell biology, a scaffold within the cell or its membranes, on which enzymes or other important molecules are suspended.
References in periodicals archive ?
Because of the risk of the pipe cracking, NW is now fixing and strengthening the two concrete anchors, and replacing the section of sewage pipe which crosses the river.
Drop-in type anchors are expandable concrete anchors that are set in pre-drilled holes.
Impact-expansion concrete anchors range in diameters from 1/4"-3/4" and lengths from 1-3/4"-6".
Instead, use specialty wedge anchors or expansion shield-type concrete anchors.
100 x 100 x 5 mm (theoretical weight 39,0 kg/m) - Concrete anchors M10/130 made of galvanized steel.
Tenders are invited for The project will consist of footing and sump pump excavation; installation of cast-in-place concrete footings; procurement and design of deployable flood-panel system; installation of concrete anchors and reinforcement; flagstone patio that is disturbed to install the flood protection measures; and other work as indicated on the project plans.
Secure the sleepers to the concrete with concrete anchors like those made by Tapcon.
2) Strengthening of slopes (cones bridge) plates precast concrete anchors type DC12.
We took the best ones we could find -- from a common, everyday needle to sophisticated concrete anchors -- and photographed them.
The Columns Shall Rest On A Plate Which Bolts To The Floor With Concrete Anchors.
To test the wings must be built up special concrete anchors used in the blade root.
Tenders are invited for The performance of underwater engineering works on underwater survey and dismantle concrete anchors from the stern mooring four barrels raid handling complex 6 from the bottom of the waters of Coal Harbour seaport "Big Port of St.