Inferred network

R(Retina) → MPO(Medial preoptic area)
MPO(Medial preoptic area) → BSTsc(Bed nuclei of the stria terminalis, anterior division, subcommisural zone)
BSTsc(Bed nuclei of the stria terminalis, anterior division, subcommisural zone) → LPO(Lateral preoptic area)
LPO(Lateral preoptic area) → LHA(Lateral hypothalamic area)

Support information about direct projections from Retina to Medial preoptic area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
RetinaMedial preoptic area light/moderatenot knownCholera toxin conjugated to HRP
Case pg348,349, fig5d-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 anterior medial preoptic area Paper describes a.m.p.a. as separate region .
Levine JD, Weiss ML, Rosenwasser AM, Miselis RR., 1991
RetinaMedial preoptic area existsnot knownCholera toxin conjugated to HRP
Case pg351,352, 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 in preoptic region ros. to SCN. lat. component of RHT labeled terminals and fibres within or lateral to the lateral haf of the medial preoptic area. Terminal label evident in ven. 1/2 of the lateral part of the medial preoptic area.
Levine JD, Weiss ML, Rosenwasser AM, Miselis RR., 1991

Support information about direct projections from Medial preoptic area to Bed nuclei of the stria terminalis, anterior division, subcommisural zone:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Medial preoptic areaBed nuclei of the stria terminalis, anterior division, subcommisural zone moderatenot knownCTB
Fourth, several nuclei of the hypothalamus project to the BSTvl; these inputs originate from the medial preoptic region (Figs. 4D,E, 5C), arcuate nucleus (Figs. 4G–J, 5I), dorsomedial hypothalamic nucleus (Fig. 4H,I), lateral hypothalamic area (Figs. 4F–L, 7D), parasubthalamic nucleus in the dorsolateral hypothalamus (Figs. 4K,L, 5H), and posterior hypothalamic nucleus (Fig. 4K,L). Collator note: see Figure 4D-E. In Figure 4, the level of the injection site, the entire part of the tissue, which is medial to BSTvl, is labeled more or less uniformly, with a "halo" of intense signal just around the nucleus (BSTdm and fu). See Atlas Levels 19.
Shin J.W., Geerling J.C. & Loewy A.D., 2008

Support information about direct projections from Bed nuclei of the stria terminalis, anterior division, subcommisural zone to Lateral preoptic area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Bed nuclei of the stria terminalis, anterior division, subcommisural zoneLateral preoptic area lightnot knownPHAL
None provided.
Dong H-W & Swanson L.W., 2003

Support information about direct projections from Lateral preoptic area to Lateral hypothalamic area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Lateral preoptic areaLateral hypothalamic area lightnot knownHRP/WGA
Case pg427, fig5. Soma notes not specified.. Terminal notes WGA-HRP inj into depressor sites, core of inj site in LHAp/LHAt/VTA/SN.
Allen GV, Cechetto DF., 1993
Lateral preoptic areaLateral hypothalamic area existsnot knownautoradiography
earlier: Nauta Brain 81:319, 1958; cat, Nauta method
Swanson L.W., 1976