ULTRASOUND
- Created by: rebecccab
- Created on: 17-05-16 12:43
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- Ultrasound
- soundwaves
- high frequency = 20 kHZ
- frequency overall = 2M - 20 MHZ
- sound/piezo crystal is in a box called a transducer
- ultrasound reflects when density changes
- the gel has the same density as skin
- so that it can stop reflections before the ultrasound reaches the womb
- Untitled
- so that it can stop reflections before the ultrasound reaches the womb
- the gel has the same density as skin
- soundwaves
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