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Anisotropy

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File:WMAP 2008.png
WMAP image of the (extremely tiny) anisotropies in the cosmic background radiation

Anisotropy (Template:IPA-en) is the property of being directionally dependent, as opposed to isotropy, which implies homogeneity in all directions. It can be defined as a difference, when measured along different axes, in a material's physical property (absorbance, refractive index, density, etc.) An example of anisotropy is the light coming through a polarizing lens.



Diffusion MRIEdit

Relative anistrophy is the ratio of anistropic to isotopic diffusion.


See alsoEdit

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