Axial reformat of a high-resolution T2-weighted sequence of a cadaveric head on a 7T MR imaging scanner.49 The arachnoid membranes (arrows) in the prepontine cistern are very thin and barely perceptible. Acknowledgment: The authors acknowledge the facilities and scientific and technical assistance of the National Imaging Facility, a National Collaborative Research Infrastructure Strategy capability, at the Melbourne Brain Center Imaging Unit, Department of Radiology, University of Melbourne. Financial support was provided via the “See It, Slice It, Learn It” project funded by a University of Melbourne internal grant.49