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Definition of Radiology

Radiology: The medical specialty concerned with radiation for the diagnosis and treatment of disease, including both ionizing radiation such as X-rays and nonionizing radiation such as ultrasound. Also known as roentgenology.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=5190
Last Editorial Review: 3/19/2012

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