ultrasound
Definition
- Noun:
- A medical imaging technique: A diagnostic procedure that uses the reflections of very high-frequency sound waves to create a visual image (a sonogram) of internal body structures, such as organs or a developing fetus.
- Sound waves at a very high frequency: Sound with a frequency above the upper limit of human hearing (approximately 20,000 hertz).
Examples of Usage
- Noun (Medical Imaging):
- The doctor ordered an ultrasound to check the health of the baby.
- An abdominal ultrasound can help diagnose problems with the liver or kidneys.
- Noun (High-Frequency Sound):
- Bats navigate using ultrasound.
- The device emits ultrasound to clean delicate instruments.
Advanced Usage
- "To have an ultrasound": To undergo an ultrasound examination.
- She will have an ultrasound at her next prenatal appointment.
- "Ultrasound scan": A synonym for the medical imaging procedure itself.
- The ultrasound scan revealed twins.
Variants and Related Words
- Sonogram (n): The visual image produced by an ultrasound examination.
- They showed us the sonogram of our baby.
- Ultrasonography (n): The technical term for the process of using ultrasound for medical imaging.
- Ultrasonic (adj): Relating to or using ultrasound.
- An ultrasonic cleaner.
Synonyms
- Sonography: (Medical) The practice of using sound waves for diagnostic imaging.
- Echography: (Medical) Another technical term for ultrasound imaging.
Related Phrases
- Doppler ultrasound: A specific type of ultrasound used to visualize blood flow.
- A Doppler ultrasound was used to assess circulation in the leg.
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
-
very high frequency sound; used in ultrasonography
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