Inferred network

R(Retina) → AVP(Anteroventral preoptic nucleus)
AVP(Anteroventral preoptic nucleus) → MEPO(Median preoptic nucleus)
MEPO(Median preoptic nucleus) → ADP(Anterodorsal preoptic nucleus)
ADP(Anterodorsal preoptic nucleus) → 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 Median preoptic nucleus:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Anteroventral preoptic nucleusMedian preoptic nucleus existsnot knownPHAL
Case pg233. Soma notes PHA-L inj. Terminal notes not specified..
Simerly RB, Swanson LW., 1988
Anteroventral preoptic nucleusMedian preoptic nucleus existsnot knownPHAL
none provided
Simerly RB, Swanson LW., 1988
Anteroventral preoptic nucleusMedian preoptic nucleus strongnot knownPHAL
ipsilateral, 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 Median preoptic nucleus to Anterodorsal preoptic nucleus:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Median preoptic nucleusAnterodorsal preoptic nucleus lightnot knownPHAL
none provided
Thompson R.H., Swanson L.W., 2003

Support information about direct projections from Anterodorsal preoptic nucleus to Lateral hypothalamic area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Anterodorsal preoptic nucleusLateral hypothalamic area existsnot knownPHAL
moderate in perifornical region at PVHap level; dense ventral to the fx at the DMH level
Thompson R.H., Swanson L.W., 2003