= Thermoacoustic imaging
{wiki=Thermoacoustic_imaging}
Thermoacoustic imaging is a medical imaging technique that combines the principles of thermodynamics and acoustics to provide information about the internal structure of biological tissues. The technique takes advantage of the fact that biological tissues absorb electromagnetic energy (such as that from radiofrequency or microwave sources) and convert it into heat. This localized heating causes a rapid thermal expansion, generating acoustic waves (ultrasound) as a result.
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