Inferred network

R(Retina) → MPO(Medial preoptic area)
MPO(Medial preoptic area) → AHN(Anterior hypothalamic nucleus)
AHN(Anterior hypothalamic nucleus) → MPNl(Medial preoptic nucleus lateral part)
MPNl(Medial preoptic nucleus lateral part) → 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 Anterior hypothalamic nucleus:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Medial preoptic areaAnterior hypothalamic nucleus lightnot knownHRP/WGA
Case table1. Soma notes not specified.. Terminal notes WGA-HRP inj.
Chiba T, Murata Y., 1985
Medial preoptic areaAnterior hypothalamic nucleus moderatenot knownHRP/WGA
Case table1. Soma notes WGA-HRP inj. Terminal notes not specified..
Chiba T, Murata Y., 1985

Support information about direct projections from Anterior hypothalamic nucleus to Medial preoptic nucleus lateral part:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Anterior hypothalamic nucleusMedial preoptic nucleus lateral part existsnot knownPHAL
none provided
Simerly RB, Swanson LW., 1988

Support information about direct projections from Medial preoptic nucleus lateral part to Lateral hypothalamic area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Medial preoptic nucleus lateral partLateral hypothalamic area existsnot knownautoradiography
ipsilateral, neurons tend to be anterior and then ventral, after excluding projections described in Simerly, Swanson, & Gorski Brain Res. 324: 185-189, 1984
Simerly RB, Swanson LW., 1986
Medial preoptic nucleus lateral partLateral hypothalamic area existsnot knownPHAL
Collator note: the MPN projection has a light contralateral representation, which was not described in detail.
Simerly RB, Swanson LW., 1988