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Laser-induced transection injury of an axon. Image showing a laser beam focused on neurite extension from a differentiated RGC-5 cell. Laser pulse was set to 7.5 nJ at 76 MHz, with exposure of 5 s (reproduced with permission from Santiago Costantino, Department of Ophthalmology, University of Montreal, Canada, PLoS ONE; 2011, 6(11), e26832.
