therapeutic ultrasonic frequencies

См. также в других словарях:

• Ultrasound — Not to be confused with Supersonic .Ultrasound is cyclic sound pressure with a frequency greater than the upper limit of human hearing. Although this limit varies from person to person, it is approximately 20 kilohertz (20,000 hertz) in healthy,… …   Wikipedia

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• Acoustic targeted drug delivery — (ATDD) is a method that uses ultrasound energy to enhance the transport of molecules into and/or across specific tissues. Generally this class of ultrasound energy falls under the class of therapeutic ultrasound, and ranges in ultrasonic… …   Wikipedia

• Medical ultrasonography — This article is about using ultrasound to image the human body. For imaging of animals in research, see Preclinical imaging. Sonography redirects here. For the tactile alphabet called sonography , see Night writing. Medical ultrasonography… …   Wikipedia

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• Ultrasound — High frequency sound waves. Ultrasound waves can be bounced off of tissues using special devices. The echoes are then converted into a picture called a sonogram. Ultrasound imaging, referred to as ultrasonography, allows physicians and patients… …   Medical dictionary