| D011996 |
Records |
Works on authentic evidence, of something having legal importance. The concept includes certificates of birth, death, etc., as well as hospital, medical, and other institutional records. |
Records as Topic,Personal Identification Systems,Travel Documents,Documents, Travel,Identification Systems, Personal,Personal Identification System,Record,Records as Topics |
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| D006801 |
Humans |
Members of the species Homo sapiens. |
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man |
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| D013690 |
Television |
The transmission and reproduction of transient images of fixed or moving objects. An electronic system of transmitting such images together with sound over a wire or through space by apparatus that converts light and sound into electrical waves and reconverts them into visible light rays and audible sound. (From Webster, 3rd ed) |
Televisions |
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| D014465 |
Ultrasonics |
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. |
Ultrasonic |
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| D014743 |
Videotape Recording |
Recording of visual and sometimes sound signals on magnetic tape. |
Tape Recording, Video,Videotapes,Recording, Video Tape,Recording, Videotape,Recordings, Video Tape,Recordings, Videotape,Tape Recordings, Video,Video Tape Recording,Video Tape Recordings,Videotape,Videotape Recordings |
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