What does FA stand for?

fractional anisotropy

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

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Samples in periodicals archive:

For the study, the researchers enrolled 28 teens and used diffusion tensor imaging - an MRI technique sensitive to the random movement of water in cells of a target tissue - to examine fractional anisotropy, a measure of directional coherence of white matter tracts, in them.

Binge drinking harms teens' brains

These commonly include fractional anisotropy (FA) and mean diffusivity (MD).

Applications of diffusion tensor imaging and fiber tractography

Postprocessing of the DTI images can result in both maps in which ischaemic lesions are better delineated--trace ADC maps and maps in which white matter tracts are highlighted- fractional anisotropy maps.

The dumbo guide to diffusion-weighted imaging (DWI)