Multichannel images of ARC D2R- (red), kisspeptin- (green), and NKB- (blue) positive cells in OVX (left) and OVX+E (right) during BRS and ANS. Bottom panels are merged images showing kisspeptin/NKB cells that either colocalize D2R (e.g., white arrows) or do not (e.g., yellow arrows). Scale bar, 50 µm.