Neuropeptide Y (NPY) neurons in the arcuate nucleus (ARH) and dorsomedial nucleus (DMH), areas activated during lactation, project to the paraventricular nucleus of the hypothalamus (PVH).

@article{Li1998NeuropeptideY,
  title={Neuropeptide Y (NPY) neurons in the arcuate nucleus (ARH) and dorsomedial nucleus (DMH), areas activated during lactation, project to the paraventricular nucleus of the hypothalamus (PVH).},
  author={Chien – Yi Li and Peilin Chen and M Susan Smith},
  journal={Regulatory peptides},
  year={1998},
  volume={75-76},
  pages={93-100}
}
Lactation induces an increase in NPY activity in two neuronal populations in the hypothalamus: the arcuate nucleus (ARH) and the dorsomedial nucleus (DMH) area. To determine if NPY neurons from these areas project to the paraventricular nucleus of the hypothalamus (PVH), the retrograde tracer, fluorogold (FG), was injected into the PVH of lactating females. FG-labeled NPY cells (identified by in situ hybridization for NPY mRNA) were observed throughout the ARH; however, a greater number of… CONTINUE READING

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