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Medical Term:

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

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.