| gray-scale ultrasonography | The display of the ultrasound echo amplitude or signal intensity as different shades of gray, improving image quality compared to the obsolete black and white presentation. (05 Mar 2000) |
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| gray-scale u. |
a B-scan technique in which a television video-scan converter amplifies and processes echoes according to their strength into a visual display ranging from white for the strongest echoes to varying shades of gray.
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