Fig. 1From: Extracranial versus intracranial hydro-hemodynamics during aging: a PC-MRI pilot cross-sectional studyCSF flow acquisition imaging. Sagittal 3D Fiesta (Fast Imaging Employing Steady-state Acquisition) image (a) was used as a reference to set the selected acquisition plane perpendicular to the flow direction in CSF compartments at the C2–C3 level of the spine (b) and through the aqueduct (c)Back to article page