Left, schematic showing fluorogold (FG) labeling of neuroendocrine neurons projecting outside the blood-brain barrier (BBB). Middle, overlap between Sst mRNA and FG in the ARC (left) and PeV (right). Region in yellow box is shown below. Arrowheads indicate co-labeled neurons. Scale bar, 25 μm. Right, bar graph showing the percentages of SST neurons that are co-labeled with FG in the ARC (n= 6 mice) and PeV (n= 5 mice). Each circle represents one mouse.