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. Author manuscript; available in PMC: 2011 Jun 1.
Published in final edited form as: J Comp Neurol. 2010 Jun 1;518(11):1925–1945. doi: 10.1002/cne.22311

Figure 10. PDFR expression in the circadian system.

Figure 10

PDF secreting large and small LNvs are in the center of the pacemaker, signaling directly to the non-PDF clock neurons, to non-neuronal cells in or near the retina, to the output non-clock receptor positive cells, and feeding back to PDF secreting cells.