Inferred network

R(Retina) → MPN(Medial preoptic nucleus)
MPN(Medial preoptic nucleus) → SI(Substantia innominata)
SI(Substantia innominata) → PL(Prelimbic area)
PL(Prelimbic area) → 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 Substantia innominata:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Medial preoptic nucleusSubstantia innominata lightnot knownHRP/WGA
Case table1. Soma notes ventral pallidum. Terminal notes WGA-HRP inj.
Chiba T, Murata Y., 1985
Medial preoptic nucleusSubstantia innominata lightnot knownHRP/WGA
Case table1. Soma notes WGA-HRP inj. Terminal notes ventral pallidum.
Chiba T, Murata Y., 1985

Support information about direct projections from Substantia innominata to Prelimbic area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Substantia innominataPrelimbic area lightnot knownPHAL
Case pg349, fig1. Soma notes PHA-L inj centred in dorsal SI, but intruded into ventral SI. Terminal notes varicose axons.
Grove EA., 1988
Substantia innominataPrelimbic area light/moderatenot knownFluorogold
Within the BF, DBh and the LPO were moderately labeled, while SI and the anterior LHy were lightly labeled (Fig. 5i–l). Collator note: Swanson Atlas Levels 16-25. SI tends to be labeled more ventrally.
Hoover W.B. & Vertes R.P, 2007
Substantia innominataPrelimbic area moderatenot knownPHAL
The densest labeling in the prefrontal cortex is found in the ventral part of the prelimbic area. The fibers terminate predominantly in laminae I and II, and deep VI (Figs 1B, 2B, C). Collator note: Swanson Atlas Levels 8-10.
Groenewegen H.J., Berendse H.W. & Haber S.N., 1993

Support information about direct projections from Prelimbic area to Lateral hypothalamic area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Prelimbic areaLateral hypothalamic area existsnot knownautoradiography
Case pg56, fig2. Soma notes 3H A.A. inj.. Terminal notes not specified..
Beckstead RM., 1979
Prelimbic areaLateral hypothalamic area lightnot knownPHAL
Case pg216, fig4. Soma notes PHA-L inj, {3,4,5,6} caudal/central PL. Terminal notes perifornical area.
Sesack SR, Deutch AY, Roth RH, Bunney BS., 1989
Prelimbic areaLateral hypothalamic area moderatenot knownPHAL
Collator note: injection with PHAL shown in Fig. 4A, in PL, which corresponds to Swanson Atlas Level 9. The injection covers the entire PL with possible extension into the ventral ACd.
Fisk G.A. & Wyss J.M., 2000
Prelimbic areaLateral hypothalamic area light/moderatenot knownradioactive aminoacids
Collator note: continuous terminal field from the external capsule to the fornix, and ventrally up to the optic tract, covering amygdalar nuclei and LHA in this level. See Fig. 2D, Swanson Atlas Levels 26-27.
Beckstead RM., 1979