“…Nonetheless, these geometries were suitable for illustrating the effect of CSF dimension. The model's biofidelity may be improved using a synthetic dura with direction-dependent properties-a composite material that mimics the anisotropic arrangement of collagen and elastin fibers in the native spinal dura (Haupt and Stofft, 1978;Fink and Walker, 1989;Patin et al, 1993;Runza et al, 1999) may be successful. Similarly, the cord did not mimic the transverse isotropy which results from the longitudinal alignment of axons in the real spinal cord (Galle et al, 2010) and these directional mechanical properties may affect the propagation of pressure waves within the cord and CSF.…”