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

Ultrasonography is the least invasive of all imaging techniques, and it is therefore used more freely in sensitive situations such as pregnancy.

From Textbooks • Jun. 19, 2013

Ultrasonography is used to study heart function, blood flow in the neck or extremities, certain conditions such as gallbladder disease, and fetal growth and development.

From Textbooks • Jun. 19, 2013