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. Author manuscript; available in PMC: 2012 Jan 22.
Published in final edited form as: J Chem Neuroanat. 2009 Aug 15;39(2):96–111. doi: 10.1016/j.jchemneu.2009.08.003

Figure 1. Schematic depiction of the A6 complex in the brainstem.

Figure 1

Coronal view of a slice of the songbird brainstem showing the locus coeruleus and sub coeruleus and a few key surrounding nuclei and fiber tracts. Abbreviations: Cb (cerebellum); DR (dorsal raphe); DT (dorsal tegmental nucleus); FLM (medial longitudinal fasciculus); LoC (locus coeruleus); LP (lateral pontine nucleus); MP (medial pontine nucleus); PB(parabrachial nucleus); Rt (reticular formation); SCv (sub coeruleus); 4V (fourth ventricle). (This figure was adapted from Mello et al, 1998; Reiner et al, 2004b and Puelles et al, 2007).