| List of regions which send connections to: PGRNl |
|
| Bed nuclei of the stria terminalis rhomboid nucleus (BSTrh) |
| Bed nuclei of the stria terminalis anterior division dorsomedial nucleus (BSTdm) |
| Medial preoptic nucleus central part (MPNc) |
| Medial preoptic nucleus lateral part (MPNl) |
| Kolliker-Fuse subnucleus (KF) |
| Area postrema (AP) |
| Nucleus of the solitary tract (NTS) |
| Periaqueductal gray (PAG) |
| Precommissural nucleus (PRC) |