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flow void



  1. in MRI, absence of signal from blood whose activated protons leave a bodily area before the magnetization is measured.
  2. In MRI, any loss of signal caused by combined turbulence and intravoxel dephasing.

See Also: signal void

Further information

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.