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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Peptides. 2008 May 28;30(1):111–122. doi: 10.1016/j.peptides.2008.05.016

Figure 4.

Figure 4

Schematic diagram of the relationship between NKB (neurokinin B), Dynorphin (DYN), ER (estrogen receptor α) and GnRH (gonadotropin releasing-hormone) in the arcuate nucleus and median eminence of the rat. Although the presence of NK3 receptors is shown as an autofeedback loop, it is not known if these connections represent recurrent collaterals or synapses between NKB/dynorphin neurons. This diagram is based on immunocytochemical and tract-tracing studies from several sources [7,55,56].