PMID: 9450534Feb 5, 1998Paper

Numerical aspects of pontine, lateral reticular, and inferior olivary projections to two paravermal cortical zones of the cat cerebellum

The Journal of Comparative Neurology
V M KingJ R Trott

Abstract

Two different olivo-cortico-nuclear zones in the cat cerebellum have been compared quantitatively as regards the numbers of cells projecting to them from within several sources of mossy fibres (MFs), namely the basal pontine nuclei (BPN), nucleus reticularis tegmenti pontis (NRTP), and the ipsilateral lateral reticular nucleus (LRN). The zones chosen were the C3 zone in lobule V of the anterior lobe and the C1 zone in pars copularis of the paramedian lobule (PMLpc), localised by recording climbing fibre-mediated potentials evoked on their surface as a result of volleys set up in their spino-olivocerebellar paths. The zones were injected with fluorescent-labelled latex microspheres and cell bodies, retrogradely labelled in the MF source nuclei and in the contralateral inferior olive, were counted and mapped. Evidence was obtained that tracer efficiency was very high in both the MF projections and the olivo-cerebellar projection and that each olivocerebellar axon may provide only one climbing fibre to the upper part of a lobule V folium but an average of nearly two to the same part of a PML folium. When the numbers of labelled cells in each MF source nucleus were expressed as a percentage of the total number of labelled pontine c...Continue Reading

Citations

Sep 27, 2003·The European Journal of Neuroscience·Antonia L EdgeRichard Apps
Dec 21, 2013·The Journal of Comparative Neurology·Charlotte R FlavellBridget M Lumb

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