Fig. 3.
Immunohistochemical labeling of calcium-binding proteins in cortical interneurons. Representative sections of cortical interneurons labeled by antisera to (A) calbindin, (B) calretinin and (C) parvalbumin at low power magnification (10x). (A′-C′) Higher power magnification of the same sections illustrating cortical interneurons labelled for calbindin, calretinin, or parvalbumin (thick arrow), Fos-stained nuclei (thin arrow), nNOS (broken arrow) and double-labeled Fos+/calbindin cell (arrow head in A′).