| List of regions which send connections to: SUM |
|
| Entorhinal area (ENT) |
| Subiculum (SUB) |
| Subiculum dorsal part (SUBd) |
| Hippocampal region (HIP) |
| Induseum griseum (IG) |
| Infralimbic area (ILA) |
| Prelimbic area (PL) |
| Basolateral nucleus of the amygdala anterior part (BLAa) |
| Islands of Calleja (isl) |
| Lateral septal nucleus rostral (rostroventral) part (LSr) |
| Anterior amygdaloid area (AAA) |
| Substantia innominata (SI) |
| Anterior group of the dorsal thalamus (ATN) |
| Anteroventral nucleus of thalamus (AV) |
| Anterodorsal nucleus of the thalamus (AD) |
| Lateral hypothalamic area (LHA) |
| Lateral preoptic area (LPO) |
| Lateral mammillary nucleus (LM) |
| Medial mammillary nucleus (MM) |
| Tuberomammillary nucleus (TM) |
| Medial preoptic area (MPO) |
| Anteroventral preoptic nucleus (AVP) |
| Anterodorsal preoptic nucleus (ADP) |
| Medial preoptic nucleus (MPN) |
| Medial preoptic nucleus lateral part (MPNl) |
| Pontine reticular nucleus caudal part (PRNc) |
| Dorsal tegmental nucleus (DTN) |
