ultrasonography

American  

[uhl-truh-suh-nog-ruh-fee, -soh-] / ˌʌl trə səˈnɒg rə fi, -soʊ- /

noun

1. a diagnostic imaging technique utilizing reflected high-frequency sound waves to delineate, measure, or examine internal body structures or organs.

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ultrasonography British  

/ ˌʌltrəsəˈnɒɡrəfɪ /

noun

1. the technique of using ultrasound to produce pictures of structures within the body, as for example of a fetus

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ultrasonography Scientific  

/ ŭl′trə-sə-nŏg′rə-fē /

1. Diagnostic imaging in which ultrasound is used to image an internal body structure or a developing fetus.

2. See Note at ultrasound

3. An imaging technology that uses high-frequency sound waves to visualize underwater objects, topography, boundaries between layers, and currents. It is often used to locate underwater vehicles on the ocean floor. The sound waves are broadcast, and the timing and frequency shift of their echoes are analyzed in much the same manner as in sonar to produce an image or map of the phenomena or objects under investigation.

4. Also called ultrasound

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Etymology

Origin of ultrasonography

First recorded in 1950–55; ultra- + sono- + -graphy

Example Sentences

Pulse wave velocity was measured by impedance cardiography, while carotid intima-media thickness and carotid artery distensibility were measured by carotid ultrasonography.

From Science Daily • Jun. 5, 2024

McFadden and her team built a high-frequency ultrasonography system to measure eye size and how quickly eyes grow to better understand myopia and its contributing factors.

From Science Daily • Dec. 4, 2023

The main disadvantages of ultrasonography are that the image quality is heavily operator-dependent and that it is unable to penetrate bone and gas.

From Textbooks • Jun. 19, 2013

Since then, many other techniques, including CT scans, MRI scans, PET scans, and ultrasonography, have been developed, providing more accurate and detailed views of the form and function of the human body.

From Textbooks • Jun. 19, 2013