| 单词 | Endoscopy,Ultrasonic |
| 释义 | Endoscopy,Ultrasonic《英文msh词典》Endoscopy,Ultrasonic [同义词] Endoscopy,Ultrasonic [主题词] Endosonography [中文释义] 内窥镜检查,超声 [英文释义] Ultrasonography of internal organs using an ultrasound transducer sometimes mounted on a fiberoptic endoscope. In endosonography the transducer converts electronic signals into acoustic pulses or continuous waves and acts also as a receiver to detect reflected pulses from within the organ. An audiovisual-electronic interface converts the detected or processed echo signals,which pass through the electronics of the instrument,into a form that the technologist can evaluate. The procedure should not be confused with ENDOSCOPY which employs a special instrument called an endoscope. The endo- of endosonography refers to the examination of tissue within hollow organs,with reference to the usual ultrasonography procedure which is performed externally or transcutaneously. |
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