Medical Term:

contrast

Pronunciation: kon′trast

Definition:

  1. A comparison in which differences are demonstrated or enhanced.
  2. In radiology, the difference between the image densities of two areas is the contrast between them; this is a function of the number of x-ray photons transmitted or the strength of the signals emitted by the two regions and the response of the recording medium.
  3. contrast medium.
  4. Performed with a contrast medium.

[L. contra, against, + sto, pp. status, to stand]

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