NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 8,372 terms related to cancer and medicine.
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- ultrasound transducer
- listen (UL-truh-sownd tranz-DOO-ser)
- A device that produces sound waves that bounce off body tissues and make echoes. The transducer also receives the echoes and sends them to a computer that uses them to create a picture called a sonogram. Transducers (probes) come in different shapes and sizes for use in making pictures of different parts of the body. The transducer may be passed over the surface of the body or inserted into an opening such as the rectum or vagina.