| PUL | percutaneous ultrasonic lithotripsy |
|---|---|
| UA | absorption unsharpness; ultra-audible; ultrasonic arteriography; umbilical artery; unauthorized abse... |
| UCG | ultrasonic cardiography; urinary chorionic gonadotropin |
| UCO | ultrasonic cardiac output; urethral catheter out; urinary catheter out |
| UEG | ultrasonic encephalography; unifocal eosinophilic granuloma |
| fundamental frequency | The principal component of a sound wave, which has the greatest wavelength, tone produced by the vibration of the vocal folds before the air reaches any cavities. (05 Mar 2000) |
|---|---|
| low frequency transduction | Specialised transduction in which only a small portion of the prophage particles, because of their defectiveness, are able to develop sufficiently to serve as effective transducing agents. (05 Mar 2000) |