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. Author manuscript; available in PMC: 2022 Jan 17.
Published in final edited form as: Neuroscience. 2011 Oct 20;199:153–165. doi: 10.1016/j.neuroscience.2011.10.023

Fig. 2.

Fig. 2.

Photomicrographs showing the orexin-A immunoreactive neurons within the hypothalamus of rhythmic and arrhythmic chronotypes of CHP (A, B), FA (C, D), and FD (E, F). Scale = 1 mm and applies to all.