contrast substance

См. также в других словарях:

• contrast medium — n a substance (as a solution of iodine or suspension of barium sulfate) comparatively opaque to X rays that is introduced into the body (as by injection or swallowing) to contrast an internal part (as the gastrointestinal tract, kidneys, or blood …   Medical dictionary

• contrast medium — contrast agent a substance administered to enhance the visibility of structures (i.e. increase the contrast) during imaging. In radiography a positive contrast agent (e.g. barium sulphate or a water soluble iodine containing compound) increases… …   The new mediacal dictionary

• substance — 1 Substance, purport, gist, burden, core, pith can denote the inner significance or central meaning of something written or said. Substance implies the essence of what has been said or written devoid of details and elaborations; the term is used… …   New Dictionary of Synonyms

• contrast medium — Med. a radiopaque substance injected into a part of the body, as the stomach or duodenum, to provide a contrasting background for the tissues in an x ray or fluoroscopic examination. [1950 55] * * * Substance comparatively opaque to X rays, which …   Universalium

• Contrast medium — A medical contrast medium (or contrast agent) is a substance used to enhance the contrast of structures or fluids within the body in medical imaging.[1] It is commonly used to enhance the visibility of blood vessels and the gastrointestinal tract …   Wikipedia

• contrast material — A dye or other substance that helps show abnormal areas inside the body. It is given by injection into a vein, by enema, or by mouth. Contrast material may be used with x rays, CT scans, MRI, or other imaging tests …   English dictionary of cancer terms

• contrast material — noun a substance that is opaque to x rays; when administered it allows a radiologist to examine the organ or tissue it fills • Syn: ↑contrast medium • Hypernyms: ↑medium …   Useful english dictionary

• contrast medium — noun a substance that is opaque to x rays; when administered it allows a radiologist to examine the organ or tissue it fills • Syn: ↑contrast material • Hypernyms: ↑medium …   Useful english dictionary

• contrast medium — noun Any substance, such as barium sulfate, used in radiography to increase the visibility of internal structures …   Wiktionary

• contrast solution — a solution of a substance opaque to the x ray, used to facilitate radiographic visualization of some organ or structure in the body …   Medical dictionary

• contrast medium — noun Medicine a substance introduced into a part of the body in order to improve the visibility of internal structures during radiography …   English new terms dictionary