Contrast
121film contrast — contrast inherent in the film …
122subject contrast — contrast resulting from differences in absorption of radiation by various parts of the subject …
123contrast set — noun A set of concepts whose names are coordinate terms …
124contrast medium — noun Any substance, such as barium sulfate, used in radiography to increase the visibility of internal structures …
125Contrast sensitivity, visual — The ability to perceive differences between an object and its background …
126contrast bath — con·trast bath kän .trast n a therapeutic immersion of a part of the body (as an extremity) alternately in hot and cold water * * * immersion of a part of the body alternately in hot and in cold water …
127contrast color — an illusory tinge of complementary hue or brightness induced by a vivid hue or luminance on the area surrounding it in the visual field …
128contrast echocardiography — echocardiography 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… …
