Inferred network

R(Retina) → MPN(Medial preoptic nucleus)
MPN(Medial preoptic nucleus) → NDB(Nucleus of the diagonal band)
NDB(Nucleus of the diagonal band) → SUBv(Subiculum ventral part)
SUBv(Subiculum ventral part) → LHA(Lateral hypothalamic area)

Support information about direct projections from Retina to Medial preoptic nucleus:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
RetinaMedial preoptic nucleus light/moderatenot knownCholera toxin conjugated to HRP
Case pg348,349, fig5a-f. Soma notes 36 female Sprague-Dawley rats weighing 200-350g. 10 microliters of CT-HRP(.20%-.40%) were injected into one eye ?behind the lens into the vitreous chamber of the eye. pressure injection over 1 min. Terminal notes Medial component of the RHT included labeled fibres and terminals found near the midline involved the medial half of the medial preoptic area terminals evident in the ventral part of the medial preoptic nucleus.
Levine JD, Weiss ML, Rosenwasser AM, Miselis RR., 1991

Support information about direct projections from Medial preoptic nucleus to Nucleus of the diagonal band:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Medial preoptic nucleusNucleus of the diagonal band lightnot knownHRP/WGA
Case table1. Soma notes WGA-HRP inj. Terminal notes not specified..
Chiba T, Murata Y., 1985

Support information about direct projections from Nucleus of the diagonal band to Subiculum ventral part:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Nucleus of the diagonal bandSubiculum ventral part lightnot knownPHAL
Case pg241, fig7. Soma notes PHA-L inj into HDB. Terminal notes not specified..
Luiten PG, Gaykema RP, Traber J, Spencer DG Jr., 1987

Support information about direct projections from Subiculum ventral part to Lateral hypothalamic area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Subiculum ventral partLateral hypothalamic area light/moderatenot knownbiotinylated dextran amine (BDA)
Collator note: labeling of the LHA, just above the optic tract. See Fig. 3A, Swanson Atlas Levels 26-27.
Kishi T., Tsumori T., Yokota S. & Yasui Y. , 2006