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Size distributions of axotomized L5 dorsal root ganglion neurons separated by SP content, over time. Neurons from control and axotomized L5 ganglia were separated by presence (open bars) or absence (shaded bars) of SP and binned by area in 0.2 natural log increments. A greater number of larger neurons positive for SP was present starting at 2 dpo. A smaller number of SP-positive neurons was seen at 7 and 14 dpo. The number of neurons used for the histograms is in parentheses.
