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Some effects of ultrasound on guinea-pig ear skin
  1. Shirley A. Carney,
  2. J. C. Lawrence,
  3. C. R. Ricketts
  1. 1M. R. C. Industrial Injuries and Burns Unit, Birmingham Accident Hospital, Bath Row, Birmingham B15 1NA


    Carney, S. A., Lawrence, J. C., and Ricketts, C. R. (1972).Brit. J. industr. Med.,29, 214-220. Some effects of ultrasound on guinea-pig ear skin. Slices of guinea-pig ear skin were irradiated with ultrasound of frequency 3 MHz for 30 seconds at various power densities. After irradiation the specimens were incubated on a nutrient medium for 24 hours. Measurements of the uptake of 32PO43- and 35SO42-, skin cell respiration, and dehydrogenase activity were then made. In each case a graded inhibition with increasing power density was observed. These inhibitions were attributed to thermal damage of the skin cells, a view consistent with the histological appearance of the specimens.

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