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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: Psychopharmacology (Berl). 2012 Aug 11;225(2):313–327. doi: 10.1007/s00213-012-2820-z

Fig. 4. Histological verification of cannulae placement in Long-Evans rats.

Fig. 4

Correct (black circles) and incorrect (white circles) cannula placements are depicted in representative coronal sections in mm from bregma surrounding the ventral tegmental area (VTA, n=1 excluded) or dorsal raphé nucleus (DRN, n=7 excluded) for adult male Long-Evans rats. VTA placements are bilateral though only one of two sides is shown for clarity. DRN placements are unilateral. Photomicrographs of correct placements are shown after Nissl staining.