Inferred network

R(Retina) → AVP(Anteroventral preoptic nucleus)
AVP(Anteroventral preoptic nucleus) → PS(Parastrial nucleus)
PS(Parastrial 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 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 Parastrial nucleus:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Anteroventral preoptic nucleusParastrial nucleus very strongnot knownPHAL
very dense especially in caudal two-thirds
 Thompson R.H., Swanson L.W., 2003

Support information about direct projections from Parastrial nucleus to Medial preoptic nucleus lateral part:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Parastrial nucleusMedial preoptic nucleus lateral part lightnot knownPHAL
Case pg233. Soma notes PHA-L inj. Terminal notes not specified..
 Simerly RB, Swanson LW., 1988
Parastrial nucleusMedial preoptic nucleus lateral part existsnot knownPHAL
none provided
 Simerly RB, Swanson LW., 1988
Parastrial nucleusMedial preoptic nucleus lateral part lightnot knownPHAL
earlier: Simerly & Swanson JCN 270:209 1988 rat PHAL same material only examined and described more accurately here
 Thompson R.H., Swanson L.W., 2003

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