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en.wikipedia.org/wiki/Ultrasound

Ultrasound is sound waves with frequencies higher than the upper audible limit of human ... Ultrasound imaging or sonography is often used in medicine. In the .... An ultrasonic level or sensing system requires no contact with the target. .... The reflection and diffraction of sound waves from microscopic structures can yield ...

www.answers.com/Q/An_ultrasound_system_can_produce_images_of_body_structures_because_sound_waves

An ultrasound system can produce images of body structures because sound waves? ... the left side of the body can be imaged by ultrasound in a sonogram.

www.ncbi.nlm.nih.gov/pmc/articles/PMC3564184

Sonography is effective for imaging soft tissues of the body. ... Due to uneven absorption of ultrasound images provides internal structure that consists ... A sound wave is typically produced by a piezoelectric transducer encased in a probe. ... The frequencies can be anywhere between 2 and 18 MHz's The sound is focused ...

www.fda.gov/Radiation-EmittingProducts/RadiationEmittingProductsandProcedures/MedicalImaging/ucm115357.htm

Jul 5, 2016 ... Because ultrasound images are captured in real-time, they can show ... Ultrasound imaging (sonography) uses high-frequency sound waves to view inside the body. ... based on the reflection of the waves off of the body structures. ... as X-rays or other types of imaging systems that use ionizing radiation.

www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/medical-ultrasound

Medical ultrasound produces sound with frequencies in the range of 2 to 15 ... sound waves have shorter wavelengths and generate higher image ... Suspect structures can be confirmed by examining them in a second plane. .... the user, because they are informative about the state of the machine output as it is being used.

www.radiologyinfo.org/en/info.cfm?pg=genus

Ultrasound imaging uses sound waves to produce pictures of the inside of the ... in real-time, they can show the structure and movement of the body's internal .... Sometimes a follow-up exam is done because a potential abnormality needs ...

www.criticalecho.com/content/tutorial-1-basic-physics-ultrasound-and-doppler-phenomenon

While the term ultrasound generally refers to sound waves with frequencies ... albeit lower resolution and can be used to image deeper structures. ... it passes through tissue because parts of it are reflected, scattered, absorbed, ... If two materials have the same acoustic impedance, their boundary will not produce an echo.

www.innerbody.com/ultrasound-and-ultrasonics

The term "ultrasound" actually applies to sound waves spanning a range of ... It's because the movement of sound is the movement of a vibration from particle ... Baleen whales like the blue whale can produce sound with a frequency of 10 Hz, ... of different densities in the body; denser structures will cause a stronger echo.

www.bbc.co.uk/schools/gcsebitesize/science/add_ocr_gateway/radiation/ultrasoundrev3.shtml

The reflected waves (echoes) are usually processed to produce a picture of ... An ultrasound transducer uses non-harmful soundwaves to allow doctors to see a baby during. The ultrasound waves used to image babies and soft tissue organs have ... wave is used to break down kidney stones and other stones in the body.