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noun. using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe fetal growth or study bodily organs.
- prenatal diagnosis
- A-scan ultrasonography
- B-scan ultrasonography
Example sentences of the word ultrasonography
1. Noun, singular or mass
X-rays or ultrasonography may be used to determine the size and shape of the kidneys.
Non-invasive procedures include ultrasonography, MRI (magnetic resonance imaging) and CAT scan (computed axial tomography).