MRI PHANTOM HAVING FILAMENTS OF INTEGRAL TEXTILE AXON SIMULATIONS AND ANISOTROPIC HOMOGENEITY MRI PHANTOM USING THE FILAMENTS

An MRI phantom for calibrated anisotropic imaging includes a plurality of separate sheathed taxons or integral taxons sharing common taxon walls, wherein each taxon has an inner diameter of less than 2 microns. The taxons form taxon filaments that are combined to form taxon ribbons. The taxons may have an average inner diameter of less than 1 micron, specifically about 0.8 microns with a packing density of about 1,000,000 per square millimeter. The filaments may include structural features such as an outer frame and crossing support ribs and may further include a visible alignment feature that allows for verifying orientation of an individual filament. The taxons may be formed as taxon fibers manufactured using a bi or tri-component textile/polymer manufacturing process. An anisotropic homogeneity phantom may include frame members that support fiber tracks extending in orthogonal directions, wherein each fiber track is formed of taxons.