Inferred network

R(Retina) → AVP(Anteroventral preoptic nucleus)
AVP(Anteroventral preoptic nucleus) → LPO(Lateral preoptic area)
LPO(Lateral preoptic area) → MPNl(Medial preoptic nucleus lateral part)
MPNl(Medial preoptic nucleus lateral part) → LHA(Lateral hypothalamic area)

Support information about direct projections from Retina to Anteroventral preoptic nucleus:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
RetinaAnteroventral preoptic nucleus existsnot knownCholera toxin conjugated to HRP
Case pg351, fig5a-e. 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 Terminal label evident throughout the anteroventral preoptic nucleus..
 Levine JD, Weiss ML, Rosenwasser AM, Miselis RR., 1991

Support information about direct projections from Anteroventral preoptic nucleus to Lateral preoptic area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Anteroventral preoptic nucleusLateral preoptic area lightnot knownPHAL
none provided
 Thompson R.H., Swanson L.W., 2003

Support information about direct projections from Lateral preoptic area to Medial preoptic nucleus lateral part:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Lateral preoptic areaMedial 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