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Diffusion-weighted magnetic resonance imaging (DWI or DW-MRI) is the use of specific MRI sequences as well as software that generates images from the resulting data that uses the diffusion of water molecules to generate contrast in MR images. It allows the mapping of the diffusion process of molecules, mainly water, in biological tissues, in vivo and…
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diffusion tensor ellipsoid mri voxel displaystyle water imaging dwi dti anisotropy gradient brain matrix also adc vector direction three images
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Diffusion-weighted magnetic resonance imaging | MeSH | D038524 | 1.00 | infobox |
| T1 or T2 relaxation rates | instance of | DWI is more sensitive to early changes after a stroke than more traditional MRI measurements | 0.80 | text |
| the fractional anisotropy | instance of | diffusion anisotropy measures | 0.80 | text |
| the prostate.In DTI | instance of | as well as other tissues | 0.80 | text |
| each voxel has one or more pairs of parameters | instance of | as well as other tissues | 0.80 | text |
| cerebrospinal fluid | instance of | to gather information about the process of diffusion in each voxel of the tissue.In an isotropic medium | 0.80 | text |
| water molecules are moving due to diffusion | instance of | to gather information about the process of diffusion in each voxel of the tissue.In an isotropic medium | 0.80 | text |
| they move at equal rates in all directions | instance of | to gather information about the process of diffusion in each voxel of the tissue.In an isotropic medium | 0.80 | text |
| cell membranes | instance of | When various barriers and restricting factors | 0.80 | text |
| microtubules interfere with the free diffusion | instance of | When various barriers and restricting factors | 0.80 | text |
| we are measuring an | instance of | When various barriers and restricting factors | 0.80 | text |
| diffusion kurtosis imaging | instance of | Some more specialized diffusion MRI techniques | 0.80 | text |
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