A 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.
Database
MESH
References
(2) - MESH
(47) - Books
(1) - Video records
(1) - PERIODIKA - Souborný záznam periodika
(14) - PERIODIKA - Svázaný ročník periodika
subject heading
Number of the records: 1
openseadragon
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