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  • Title: [The pathways and primary visual centers of Discoglossus pictus (Amphibia, Anura)].
    Author: Picouet MJ, Clairambault MP.
    Journal: C R Acad Hebd Seances Acad Sci D; 1975 Dec 22; 281(24):1979-82. PubMed ID: 816511.
    Abstract:
    The retinal projections of Discoglossus were examined on sixteen adult specimens uniterally deprived of retina. After a post-operative period of nine to one hundred and fifteen days, the degenerating fibers were stained with the Fink-Heimer and Ebbesson-Heimer techniques. The general scheme of primary optic pathways and centres is similar in Discoglossus and Rana. However, after a thorough study, some differences in distribution and density of degeneration suggest the idea that Ranid's visual system is not entirely representative among the Anura. Particularly, degenerative axonic terminals are abundant in ipsilateral Bellonci's neuropil, Corpus geniculatum and pretectal neuropils.
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