| Pronunciation: | | `ultrus'awnd
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 WordNet Dictionary |
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| | Definition: | |
- [n] using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth
- [n] very high frequency sound; used in ultrasonography
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| | Synonyms: | | sonography, ultrasonography |
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| | See Also: | | imaging, prenatal diagnosis, sound, tomography |
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| Medical Dictionary |
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| | Definition: | | A diagnostic procedure that projects high-frequency sound waves into the body and changes the echoes into pictures (sonograms) shown on a monitor. Different types of tissue reflect sound waves differently. This makes it possible to find abnormal growths. |
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| Biology Dictionary |
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| | Definition: | | The use of high-frequency sound waves for creating an image of internal body parts. |
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| Glossary |
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| | Definition: | | a method of taking a picture of the fetus using sound waves. |
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