Health / Medical Topics

    Hounsfield Unit

    Definition 1

    Term given to the dimensions of the quantifier of x-ray attenuation, CT number. (NCI Thesaurus)

    Definition 2

    The unit of measure for the radiodensity of a substance. The radiodensity of distilled water at standard temperature and pressure is zero on the Hounsfield scale. (NCI Thesaurus/CDISC)




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