| figure three s. |
a pair of bulges in the wall of the aortic arch, one above and one below the aortic knuckle, seen on a radiograph and signifying coarctation of the aorta. See also reversed three s. Called also three s.
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| figure-of-eight b. |
a bandage in which the turns cross each other like the figure eight (8), used especially over joints. See Plate 9.
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| figure-of-eight m. |
in cardiology, a variation of the leading circle model of reentry in which the interface of refractory tissue is a curved barrier, with the result that the wavefronts split, proceed around each edge of the arc, and return centrally to describe a figure eight configuration.
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| figure-of-eight s. |
one in which the thread follows the contours of the figure 8.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| figure-ground discrimination |
The ability to see the outline of an object as distinct from visually competing background stimuli. This ability is often impaired following central nervous system damage.
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