单词 | ultrasound |
释义 | ultrasound (ʌltrəsaʊnd ) uncountable noun [usually NOUN noun] Ultrasound is sound waves which travel at such a high frequency that they cannot be heard by humans. Ultrasound is used in medicine to get pictures of the inside of people's bodies. I had an ultrasound scan to see how the pregnancy was progressing. Image of ultrasound © GagliardiImages, Shutterstock Collocations: ultrasound device A set of processing parameters sent to the ultrasound device control how the processing chain performs its operations. Retrieved from Wikipedia CC BY-SA 3.0 In the previous example, a diagnostic quality ultrasound can be accomplished by non-medically trained individuals manipulating an ultrasound device located with the patient under guidance from a remote location. Retrieved from Wikipedia CC BY-SA 3.0 They said their experiments demonstrated that a sideeffect of ultrasound devices installed too close to one another was that their normally inaudible sound waves could clash, and could be heard. Times, Sunday Times With their sonar systems and large auditory cortices, whales live in a transparent world, able to peer, like medical ultrasound devices, into the interior of bodies. The Times Literary Supplement Modern portable ultrasound devices allow the user to visualize internal anatomy, including the nerves to be blocked, neighboring anatomic structures and the needle as it approaches the nerves. Retrieved from Wikipedia CC BY-SA 3.0 The scanner makes an ultrasound image using a probe placed where the skull is thinnest. The Sun (2016) Then the ultrasound image with the blood vessel in the vicinity of the longitudinal centreline can be obtained. 2017, 'Automatic Puncture System Based on NIR Image and Ultrasonic Image', MATEC Web of Conferences It works much like an ultrasound machine, but instead of getting readings using sound waves, it bounces light waves off the body, providing pinpoint images. Times, Sunday Times He has been using an ultrasound machine to ease movement in his back for the past two to three years. Times,Sunday Times In 2015, they captured a small troupe of wild wallabies and monitored them through several pregnancies via a portable ultrasound machine. Retrieved from Wikipedia CC BY-SA 3.0 Staff then used an ultrasound machine, which had to be reset twice before it worked, to try to detect a heartbeat. Times, Sunday Times The junior obstetrician wheeled in a portable ultrasound machine, tangling his foot in the cord. Times, Sunday Times He did the whole thing looking at the ultrasound screen. The Sun The professor was going to watch the operation on the ultrasound screen, so he could see more clearly what he was doing. Times, Sunday Times He turned the ultrasound screen towards me and pointed at the centre. Times, Sunday Times She was given a local anaesthetic and remained conscious throughout the hour-long operation, watching on an ultrasound screen as surgeons manoeuvred instruments with a precision measured in fractions of millimetres. Times, Sunday Times At that moment, the ultrasound screen goes static but recovers after a moment. Retrieved from Wikipedia CC BY-SA 3.0 An ultrasound showed that the cause was swelling in her remaining kidney and she was advised to have an induced birth to ease her symptoms. Times, Sunday Times (2009) Abdominal ultrasound showed a small gallbladder with hyperechogenicity in porta hepatis and absence of biliary principal duct. 2007, 'Early laparoscopic Kasai′s procedure in a low weight newborn', Journal of Minimal Access Surgery Pelvic and abdominal ultrasound showed a right tissular ovarian mass. 2016, 'Exophthalmos Revealing a Krukenberg Tumor: A Case Presentation and Review of the Literature', Case Reports in Oncology The youngster has been working daily in the swimming pool and using an ultrasound technique to help speed up his return. The Sun However, smaller endometriosis implants can not be visualized with ultrasound technique. Retrieved from Wikipedia CC BY-SA 3.0 He teaches ultrasound techniques to doctors across a wide variety of specialties, from the emergency room to internal medicine, how to capture and read ultrasound images. Retrieved from Wikipedia CC BY-SA 3.0 Ultrasound techniques can also be used to directly measure muscle thickness and quantify intramuscular fat. Retrieved from Wikipedia CC BY-SA 3.0 Modern methods of treatment are being utilized, including ultrasound techniques, stimulator's, diathermy and iodized and galvanic baths. Retrieved from Wikipedia CC BY-SA 3.0 Using ultrasound technology and special effects, this amazing film reveals how kittens grow in the womb (right). The Sun It led to advances in sonar and ultrasound technology and kick-started the science of biomimicry, or design by nature. Times, Sunday Times Its infrared light and pulsing ultrasound technology smooths the hair cuticles, conditioning and hydrating without using any heat. The Sun I turn on to my left side and the echo, with three points of contact, uses the same ultrasound technology as a pregnancy scan to take pictures of my heart. The Sun It uses microfocused ultrasound technology, which heats tissue at various depths through the skin's layers and beyond to the fibromuscular tissue (previously only reached by surgery). Times, Sunday Times An ultrasound test revealed an atrial septal defect, or hole in the heart, between the two main chambers, or atria. Times, Sunday Times But then came the fateful ultrasound test. Times, Sunday Times This special type of ultrasound test measures the stiffness of the liver and, in combination with blood tests, can give a more accurate picture of early worrying changes. Times, Sunday Times He eagerly anticipates his patient report card, noting that an ultrasound test a few years back alerted him to a kidney problem that he had treated. Globe and Mail If none of these apply to you, then have your hormone levels checked, get an internal examination, and if necessary have an ultrasound test and scans. The Sun The disturbances caused by magnetostriction then propagate in the material as an ultrasound wave. Retrieved from Wikipedia CC BY-SA 3.0 The patch itself consists of a thin elastomer sheet with small “islands” of electrodes and piezoelectric transducers that create ultrasound waves from electricity. Retrieved from Wikipedia CC BY-SA 3.0 The probe measures blood flow by bouncing ultrasound waves off blood cells flowing through the aorta, the main blood vessel. Times, Sunday Times Ultrasound waves produced by vibrating piezoelectric crystals turn liquid into particles of five micrometres, making them small enough to float in the air for a minute. Times, Sunday Times The procedure uses a scanner to locate the tumour and ultrasound waves to destroy it. The Sun Then he used ultrasound to measure their muscle size. Times, Sunday Times (2016) Medical students of the future would use ultrasound as a normal part of their practice when they qualified. Times, Sunday Times (2014) Doppler ultrasound was used to exclude renovascular/ischemic nephropathy. 2017, 'Biopsy of small kidneys: A safe and a useful guide to potentially treatable kidney disease', Saudi Journal of Kidney Diseases and Transplantation Translations: Chinese: 超频率音响 Japanese: 超音波 |
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