Physics A-Level
Coupling gel in ultrasound scanning
What Coupling gel in ultrasound scanning means in Physics A-Level, as defined for OCR.
Definition of Coupling gel in ultrasound scanning
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Reference: OCR
A special gel applied between the transducer and the skin that has an acoustic impedance similar to that of soft tissue, reducing the impedance mismatch at the skin surface.
Topics that use Coupling gel in ultrasound scanning
- Using ultrasound (OCR A-Level)
Related terms
- A-scan
- Acoustic impedance
- Acoustic impedance mismatch
- Acoustic matching
- Angle dependence of Doppler shift
- B-scan
- Coupling gel
- Density and speed of ultrasound
Using Coupling gel in ultrasound scanning in the exam
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