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. Author manuscript; available in PMC: 2016 Mar 16.
Published in final edited form as: Respir Physiol Neurobiol. 2008 Sep 7;164(3):394–400. doi: 10.1016/j.resp.2008.09.004

Fig. 1.

Fig. 1

The anatomical location of the dialysis probe tips for the 6 rats used in the hypercapnia protocol (left panels) and the 7 rats used in the hypoxia protocol (right panels). At the top is a cresyl violet stained cross section of the medulla of one rat at the level −13.8 from bregma to show the tissue disruption produced by the chronic guide tube and acute microdialysis probe insertion. The numbers refer to mm caudal to bregma. The schematic sections were drawn from the atlas of Paxinos (1998).