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ultrazvuk

  1. Record numberd014465
    Date06.06.2025
    TypeM
    Topical termultrazvuk
    See also(Skutočné meno) vlny ultrazvukové
    (Later heading) vlny ultrazvukové
    UDCH01.671.031.849
    NoteA subfield of acoustics dealing in the radio frequency range higher than acoustic SOUND waves (approximately above 20 kilohertz). Ultrasonic radiation is used therapeutically (DIATHERMY and ULTRASONIC THERAPY) to generate HEAT and to selectively destroy tissues. It is also used in diagnostics, for example, ULTRASONOGRAPHY; ECHOENCEPHALOGRAPHY; and ECHOCARDIOGRAPHY, to visually display echoes received from irradiated tissues.
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