MODEL RELEASED. Doppler ultrasound being used on a pregnant woman. Doppler ultrasound builds up pictures of body structures from the echoes of high fr

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MODEL RELEASED. Doppler ultrasound being used on a pregnant woman. Doppler ultrasound builds up pictures of body structures from the echoes of high frequency sound waves. The doppler effect, in which a wave reflected from a moving body has its wavelength shifted, allows determination of the speed and smoothness of blood flow and other movements.

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Size: 5610px × 3741px
Photo credit: © IAN HOOTON/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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