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..

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In the preoptic regions, relatively sparse numbers of marked cells were observed in the median preoptic, anteroventral periventricular, medial preoptic, anterodorsal preoptic, anteroventral preoptic, and parastrial nuclei, as well as in the undifferentiated part of the medial preoptic area. In addition, a very few retrogradely labeled neurons were noted in the lateral preoptic area (Fig. 3C-F).

...large numbers of anterogradely labeled axons arising from the PRC take a ventral course through the periventricular gray, and, although the vast majority of these fibers continue rostrally through the posterior hypothalamic nucleus (Fig. 5J,K), a smaller group of axons enters the ventral tegmental area, which seems to receive a moderate innervation, and then appears to continue rostrally through the medial forebrain bundle (Fig. 5J–L).

Case pg198, fig3. Soma notes 3H proline/3H leucine inj. Terminal notes uncertain whether any AVT fibres actually terminated in the lateral hypothalamic region.

Case pg369-71. Soma notes high numbers of neurons. Terminal notes FB inj.

Case pg615, fig6. Soma notes not specified.. Terminal notes CT inj into VTA, with minor inclusion of medial SN.