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Acronyms that contain the term fractional anisotropy
What does fractional anisotropy mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: fractional anisotropy.
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| Term | Definition | Rating |
|---|---|---|
| TSFA | Tract Specific Fractional Anisotropy |
What does fractional anisotropy mean?
- Fractional anisotropy
- Fractional anisotropy (FA) is a scalar value between zero and one that describes the degree of anisotropy of a diffusion process. A value of zero means that diffusion is isotropic, i.e. it is unrestricted (or equally restricted) in all directions. A value of one means that diffusion occurs only along one axis and is fully restricted along all other directions. FA is a measure often used in diffusion imaging where it is thought to reflect fiber density, axonal diameter, and myelination in white matter. The FA is an extension of the concept of eccentricity of conic sections in 3 dimensions, normalized to the unit range.
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"fractional anisotropy." Abbreviations.com. STANDS4 LLC, 2024. Web. 7 May 2024. <https://www.abbreviations.com/fractional%20anisotropy>.
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