Neuronal morphology of the rabbit cochlear nucleus

John F Disterhoft*, Randolph E Perkins, Scott Evans

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

The cytoarchitecture of the cochlear nucleus in young adult albino rabbits (Cuniculus oryctologus) has been examined in Nissl‐ and Golgi‐impregnated material to compare rabbit cochlear nucleus with other mammalian species. Cochlear nucleus was subdivided into anteroventral (AVCN), posteroventral (PVCN), and dorsal (DCN) regions, as in other mammals. AVCN was characterized by bushy cells and stellate cells. The “bushy” dendritic trees of adjacent bushy cells often overlapped. PVCN was characterized by octopus, elongate, and stellate cells. The dendritic trees of adjacent octopus cells extended in a parallel array across the auditory nerve fibers. DCN had molecular, fusiform and polymorphic layers. The fusiform cell layer was especially prominent, with the fusiform cells appearing visually to be the organizing elements in DCN. The large cells in DCN were the fusiform and giant neurons; the medium cells were the stellate and elongate neurons; the small cells were the cartwheel, small stellate, and granule cells. The cochlear nucleus of rabbit is essentially similar in cytoarchitectural organization to other mammalian species which have been studied. The detailed morphology of the various cell types seen in Golgi preparations is quite similar to that of cat (Brawer et al., '74), although some differences do exist.

Original languageEnglish (US)
Pages (from-to)687-702
Number of pages16
JournalJournal of Comparative Neurology
Volume192
Issue number4
DOIs
StatePublished - Jan 1 1980

ASJC Scopus subject areas

  • Neuroscience(all)

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