Mossy fiber projections from the brain stem to the nodulus in the cat. An experimental study comparing the nodulus, the uvula and the flocculus

Brain Research
K AkaogiT Kawasaki

Abstract

Mossy fiber projections from the brainstem to the nodulus were studied by means of the retrograde transport of horseradish peroxidase (HRP) in the cat. The findings indicate exclusive secondary vestibular projections to the nodulus (96.5% of the total number of labeled cells in cat 1). Major sources of such projections include the caudal half of the medial and inferior vestibular nuclei, and the dorsal half of the superior vestibular nucleus. Groups-x and -z of the vestibular nuclei give rise to minor projections. The projections from groups-f and -y, and the interstitial nucleus of the eighth nerve are very few, if any. Minor extravestibular projections originate from the prepositus hypoglossal nucleus and the infratrigeminal nucleus. All these projections are bilateral. No other nuclei in the brainstem were labeled following HRP injection in the nodulus. No indications of mediolateral and dorsoventral differences in mossy fiber projections were found. There are quantitative differences in the sources of projections to the nodulus, the ventral uvula and the flocculus, all of which belong to the vestibulocerebellum. The largest sources for projections to the nodulus and the ventral uvula are from the vestibular nuclei. Among th...Continue Reading

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Citations

Dec 17, 2009·The Cerebellum·Dora E AngelakiPablo M Blazquez
Aug 2, 2003·Neuroscience·A L Halberstadt, C D Balaban
Oct 3, 2008·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Tatyana YakushevaDora E Angelaki
Jun 18, 2010·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Tatyana YakushevaDora E Angelaki
Sep 3, 2010·The Cerebellum·Jan VoogdChris I De Zeeuw
Sep 21, 2013·The Journal of Neuroscience : the Official Journal of the Society for Neuroscience·Tatyana A YakushevaDora E Angelaki
Mar 14, 2002·The Journal of Comparative Neurology·Beatriz Benítez-TemiñoAngel M Pastor
May 4, 2010·The Journal of Comparative Neurology·Hassan MarzbanRichard Hawkes
Aug 23, 2005·Brain Research. Brain Research Reviews·Beatriz Benítez-TemiñoAngel M Pastor
Jun 30, 2004·Brain Research·Hiroaki FushikiYukio Watanabe
Oct 14, 2005·Progress in Brain Research·Anja K E Horn
Mar 13, 2008·The Journal of Comparative Neurology·Janelle M P PakanDouglas R W Wylie
Jan 7, 2020·The Journal of Comparative Neurology·Takahiro AndoIzumi Sugihara
Mar 27, 2021·Frontiers in Neurology·Neal H Barmack, Vito Enrico Pettorossi

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