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Ultrasonography

"Ultrasonography" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

expand / collapse MeSH information
The visualization of deep structures of the body by recording the reflections of echoes of pulses of ultrasonic waves directed into the tissues. Use of ultrasound for imaging or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz.


expand / collapse publications
This graph shows the total number of publications written about "Ultrasonography" by people in this website by year, and whether "Ultrasonography" was a major or minor topic of these publications.
Bar chart showing 240 publications over 38 distinct years, with a maximum of 17 publications in 2014
To see the data from this visualization as text, click here.