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Figure Caption
Fig. 1 Setup for MRE of zebrafish in a 7T preclinical MRI scanner. (A) A piezoelectric actuation unit, shown in red, generates harmonic oscillations synchronized to the MRE sequence. The principal vibration direction is along the cylinder axis, which results in predominantly cylindrical waves. The box demarcates the area covered by the imaging slice slab. The custom volume resonator coil is also shown. (B) MRE magnitude image (grayscale) and wave images of different frequencies (color scale) showing the through-plane wave component, which was encoded by the sequence. MRE, MR elastography; T, tesla
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