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. 2015 Apr 7;10(4):e0123199. doi: 10.1371/journal.pone.0123199

Fig 1. Representative photomicrographs illustrating the distribution of chrondroitin sulfate immunoreactivity and of parvalbumin-immunoreactive cells in parasagittal sections of the male zebra finch brain.

Fig 1

Panels A through C illustrate at low magnification the chrondroitin sulfate (A) and parvalbumin (B) distribution as well as the overlay of the two signals (C). Panel D illustrates a few PNN surrounding or not parvalbumin-immunoreactive cells in Area X.