- short-scale contrast
- a reduced range of grays on a radiograph, which favors visual differentiation of image densities produced by objects or object components with relatively comparable structural features.
Medical dictionary. 2011.
Medical dictionary. 2011.
Contrast — Short for contrast media. Contrast media are X ray dyes used to provide contrast, for example, between blood vessels and other tissue. * * * 1. A comparison in which differences are demonstrated or enhanced. 2. In radiology, the difference… … Medical dictionary
contrast — n. 1) short for contrast medium, e.g. post contrast CT scan. 2) the difference in the shade of grey between different tissues on a diagnostic image, such as radiograph or CT scan (see grey scale) … The new mediacal dictionary
Short-term memory — Short term memory, sometimes referred to as primary, working, or active memory, is said to hold a small amount of information for about 20 to 30 seconds.Estimates of short term memory capacity vary – from about 3 or 4 elements (i.e., words,… … Wikipedia
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Display contrast — Contrast in visual perception is the difference in appearance of two or more parts of a field seen simultaneously or successively (hence: brightness contrast, lightness contrast, color contrast, simultaneous contrast, successive contrast, etc.).… … Wikipedia
Short (finance) — Schematic representation of short selling in two steps. The short seller borrows shares and immediately sells them. He then waits, hoping for the stock price to decrease, when the seller can profit by purchasing the shares to return to the lender … Wikipedia
high contrast — short scale c … Medical dictionary
Richter magnitude scale — Part of a series on earthquakes Types Foreshock • Aftershock • Blind thrust Doublet • Interplate • … Wikipedia
Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… … Wikipedia
Guttman scale — In statistical surveys conducted by means of structured interviews or questionnaires, a subset of the survey items having binary (e.g., YES or NO) answers forms a Guttman scale (named after Louis Guttman) if they can be ranked in some order so… … Wikipedia