| NOUN | act | ultrasonography, sonography, echography, ultrasound | using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram) |
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| Meaning | Using the reflections of high-frequency sound waves to construct an image of a body organ (a sonogram); commonly used to observe / observe fetal growth or study bodily organs. | |
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| Synonyms | sonography, echography, ultrasound | |
| Narrower | A-scan ultrasonography | The use of ultrasonography to measure the length of the eyeball |
| B-scan ultrasonography | The use of ultrasonography to view structure in the back of the eye | |
| Broader | imaging, tomography | (medicine) obtaining pictures of the interior of the body |
| prenatal diagnosis | Any of the diagnostic procedures used to determine whether a fetus has a genetic abnormality | |
| Spanish | ecografía, ultrasonido | |
| Catalan | ecografia, ultrasò | |
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