Abstract：
:Retrogradely labeled neurons are observed in the central nervous system of the toad after peripheral application of peroxidase to the anterior and posterior stumps of the VIIIth nerve. These efferent vestibular neurons are localized in the brainstem only ipsilaterally to the treated nerve; they are restricted within a region close to the motor nucleus of the VIIth nerve, outside the vestibular nuclear complex, and are predominantly localized to the borders between the gray and white matter in an arrangement that seems to surround the motor nucleus of the VIIth nerve. No evidence was found for the existence of labeled Purkinje cells in the cerebellar cortex and therefore of a cerebellolabyrinthine pathway. The efferent vestibular neurons are medium-sized cells with two prominent dendrites, often oriented in a mediolateral direction. A comparative analysis between these neurons and the contiguous motoneurons of the VIIth nerve permitted differentiation of the two groups of neurons as to: distribution in a mediolateral direction, distribution in depth from the brainstem surface, longitudinal extension in the caudorostral direction and morphologic characteristics and dendritic arrangement of the neurons.
journal_name
Brain Resjournal_title
Brain researchauthors
Pellegrini M,Ceccotti F,Magherini Pdoi
10.1016/0006-8993(85)91183-7subject
Has Abstractpub_date
1985-09-30 00:00:00pages
1-8issue
1eissn
0006-8993issn
1872-6240pii
0006-8993(85)91183-7journal_volume
344pub_type
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