单词	ultrasound
释义	ultrasound noun ul·​tra·​sound ˈəl-trə-ˌsau̇nd  plural ultrasounds 1 : vibrations of the same physical nature as sound but with frequencies above the range of human hearing 2 : the diagnostic or therapeutic use of ultrasound and especially a noninvasive technique involving the formation of a two-dimensional image used for the examination and measurement of internal body structures and the detection of bodily abnormalities called also sonography, ultrasonography 3 : a diagnostic examination using ultrasound The patient was scheduled for an abdominal ultrasound. prenatal ultrasounds Example Sentences They used ultrasound to examine his heart. She had an ultrasound exam this morning. She had an ultrasound this morning. She showed me an ultrasound of her unborn baby. Recent Examples on the Web An ultrasound done an hour later detected a major blood clot in the large artery behind his knee totally blocking the vessel, according to a deposition taken in a subsequent lawsuit. BostonGlobe.com, 7 Sep. 2022 Children can now enter the public gaze of millions with as little as their first ultrasound scan. WIRED, 27 Aug. 2022 But a follow-up ultrasound ordered by her doctor revealed a small tumor in her breast. Steve Smith, Hartford Courant, 23 Aug. 2022 Mindy was the first person to have a 4D ultrasound in Nashville, but hopefully they will be introduced further in the coming months and the quality will improve. Staff Author Updated, Peoplemag, 1 Aug. 2022 The same goes for the ultrasound technician who first detected the group of four and delivered the news to a shocked Ness. Jeff Truesdell, PEOPLE.com, 28 July 2022 Of those, slightly more than 50 were turned away after an ultrasound detected fetal cardiac activity. Maya T. Prabhu, ajc, 26 Aug. 2022 During week thirty-six, Shibata undergoes an ultrasound. Katy Waldman, The New Yorker, 8 Aug. 2022 While many patients present with heavy bleeding, some do not—and physicians can then look at hormone levels or an ultrasound to determine if an incomplete miscarriage has occurred or is inevitable. Wired, 7 Aug. 2022 See More Word History First Known Use 1923, in the meaning defined at sense 1 Medical Definition ultrasound 1 of 2 noun ul·​tra·​sound ˈəl-trə-ˌsau̇nd  1 : vibrations of the same physical nature as sound but with frequencies above the range of human hearing compare infrasound 2 : the diagnostic or therapeutic use of ultrasound and especially a noninvasive technique involving the formation of a two-dimensional image used for the examination and measurement of internal body structures and the detection of bodily abnormalities called also echography, sonography, ultrasonography 3 : a diagnostic examination using ultrasound ultrasound 2 of 2 adjective : of, relating to, performed by, using, or specializing in ultrasound an ultrasound technician ultrasound imaging
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