Central projections of the frontal organ of Rana pipiens, as demonstrated by the anterograde transport of horseradish peroxidase

Cell and Tissue Research
W D EldredJ Nolte

Abstract

The central projections of the frontal organ of Rana pipiens are more widespread, and more similar to those of the epiphysis, than previously realized. Fibers labeled with horseradish peroxidase were traced to the amygdala, the epiphysis, the pretectal region, and several nuclear areas of the mesencephalic and diencephalic central gray. When peroxidase reaction product was carefully distinguished from neuromelanin by means of polarization microscopy, no unequivocally labeled cell bodies off centrifugal fibers could be found.

Citations

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