Inferred network

R(Retina) → MPO(Medial preoptic area)
MPO(Medial preoptic area) → APN(Anterior pretectal nucleus)
APN(Anterior pretectal nucleus) → VTA(Ventral tegmental area)
VTA(Ventral tegmental 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 Anterior pretectal nucleus:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Medial preoptic areaAnterior pretectal nucleus lightnot knownfluorescent tracers
Case pg686, fig3. Soma notes a few weakly labelled neurons were visable in the ipsilateral medial and preoptic areas. Terminal notes Injections of FB into the APTN.
Foster GA, Sizer AR, Rees H, Roberts MH., 1989

Support information about direct projections from Anterior pretectal nucleus to Ventral tegmental area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Anterior pretectal nucleusVentral tegmental area lightnot knownfluorescent tracers
Case pg689, fig3. Soma notes isolated cells sending a projection to the APTA were also apparent in the rostral linear nucleus raph?and ventral tegmental area. Terminal notes Injections of FB into the APTN.
Foster GA, Sizer AR, Rees H, Roberts MH., 1989

Support information about direct projections from Ventral tegmental area to Lateral hypothalamic area:
Sending structure Receiving structureStrength of projection Type of connectionTechniqueGeneral descriptionCollatorAssociated reference
Ventral tegmental areaLateral hypothalamic area lightnot knownautoradiography
Case pg198, fig3. Soma notes 3H proline/3H leucine inj. Terminal notes uncertain whether any AVT fibres actually terminated in the lateral hypothalamic region.
Beckstead RM, Domesick VB, Nauta WJ., 1979
Ventral tegmental areaLateral hypothalamic area moderatenot knownfluorescent tracers
Case pg369-71. Soma notes high numbers of neurons. Terminal notes FB inj.
Faye-Lund H., 1985
Ventral tegmental areaLateral hypothalamic area moderatenot knownCholera toxin conjugated to HRP
Case pg615, fig6. Soma notes not specified.. Terminal notes CT inj into VTA, with minor inclusion of medial SN.
Groenewegen HJ, Berendse HW., 1990