| contrast b. |
immersion of a part of the body alternately in hot and in cold water.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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|---|---|
| contrast |
ratio: A relationship indicative of the difference in light reflection (or brightness) of the brightest and the darkest spots of an image (ie a contrast ratio of 40:1 means that the brightest spot is forty times brighter than the darkest spot).
출처: www.camcorderinfo.com/content/Glossary.htm
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| contrast c. |
an illusory tinge of complementary hue or brightness induced by a vivid hue or luminance on the area surrounding it in the visual field.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| contrast e. |
that in which the ultrasonic beam detects tiny intravascular bubbles produced by intravascular injection of a liquid, such as the patient's blood, saline, or dextrose in water, or of small amounts of carbon dioxide gas; bubble movement can demonstrate abnormalities of blood flow.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| contrast m. |
a substance that is introduced into or around a structure or tissues and has a significant difference from the structure or tissues in the extent of absorption of x-rays, thus allowing radiographic visualization. Called also contrast agent.
출처: www.mercksource.com/pp/us/cns/cns_health_library.j...
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