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Brillouin measurements of a representative zebrafish larva after spinal cord injury. Lesioned larvae were probed at 3 dpf immediately before and 1 h after the injury (3+ dpf) as well as on the two subsequent days (4 and 5 dpf). (a) Brightfield images showing the spinal cord (sc) and the notochord (nc) obtained directly after the Brillouin measurements are shown. (b) Corresponding peak intensities and (c) Brillouin shifts of the same specimen are shown. Scale bars, 150 μm.
