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]
Farlex Partner Medical Dictionary © Farlex 2012

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).
Segen's Medical Dictionary. © 2012 Farlex, Inc. All rights reserved.

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.
Medical Dictionary, © 2009 Farlex and Partners
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.
Specific product offerings include cordless and electric power tools, concrete anchors, levels, saw blades, carbide bits, diamond blades, safety equipment, generators, ladders, marking supplies, abrasives, screws and much more.
Instead, use specialty wedge anchors or expansion shield-type concrete anchors. These are also the right choice if you have only a few furring strips to attach to a wall, if the strongest connection is a must, or if someday you may want to take the project apart.
Begin by laying down a 6- to 8-mil vapor barrier and build a frame for the floor with treated wood "sleepers." Secure the sleepers to the concrete with concrete anchors like those made by Tapcon.
We took the best ones we could find -- from a common, everyday needle to sophisticated concrete anchors -- and photographed them.