<investigation>

Ultrasonography, the use of ultrasound as a diagnostic aid. Ultrasound waves are directed at the tissues and a record is made, as on an oscilloscope, of the waves reflected back through the tissues, which indicate interfaces of different acoustic densities and thus differentiate between solid and cystic structures.

This entry appears with permission from the Dictionary of Cell and Molecular Biology

(11 Mar 2008)

echogenic pancreas, echogram, echographer, echographia < Prev | Next > echokinesis, echolalia, echolocation

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