Sonography Physics Terms

2. type of mechanical wave where the particle movement is parallel to the wave
11. comparative term describing structure with more echoes than another
12. comparative term describing structure with similar echoes
13. comparative term describing structure with less echoes
14. high frequency = low penetration = high ________
15. type of ultrasound that can detect and measure blood flow
18. substance through which sound waves travel
19. physical distance from one compression to the next
20. type of mechanical wave where the particle movement is perpendicular to the wave
21. scanning format where pulses travel in the same direction from different starting points
22. scanning format where pulses originate from the same starting point and travel in slightly different directions

1. measure of how strong the wave is
3. structure that produces no echoes
4. type of wave requiring a medium
5. type of wave that can travel in a vacuum or through a medium
6. ex. pressure, density, temperature, particle motion
7. principle of converting energy by applying pressure to a crystal
8. speed at which a wave travels through a medium
9. sound travels at a speed of 1540 m/s through this structure
10. scanning format where pulses originate from different starting points and travel in slightly different directions
11. unit of frequency
16. time it takes for a wave to transition from compression to rarefraction and back
17. number of cycles per time