Contralateral degeneration in the cat spinal trigeminal nucleus following unilateral retrogasserian trigeminal rhizotomy

L. E. Westrum; M. A. Henry

doi:10.1016/0304-3940(91)90670-O

Contralateral degeneration in the cat spinal trigeminal nucleus following unilateral retrogasserian trigeminal rhizotomy

L. E. Westrum, M. A. Henry

Endodontics

Research output: Contribution to journal › Article

9 Scopus citations

Abstract

Retrogasserian trigeminal rhizotomy was used to study the central projections and patterns of degeneration in the spinal trigeminal nucleus (STN). At survival times of 3-20 days, reduced silver stains show extensive degeneration throughout the ipsilateral STN and in addition, well delineated degeneration was identified in the periobex region of the contralateral STN that varied with survival time. The results suggest that primary afferents may contribute to this contralateral projection.

Original language	English (US)
Pages (from-to)	143-146
Number of pages	4
Journal	Neuroscience Letters
Volume	121
Issue number	1-2
DOIs	https://doi.org/10.1016/0304-3940(91)90670-O
State	Published - Jan 2 1991

Keywords

Contralateral
Deafferentation
Degeneration
Primary afferent
Rhizotomy
Trigeminal nucleus

ASJC Scopus subject areas

Neuroscience(all)

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10.1016/0304-3940(91)90670-O

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AU - Henry, M. A.

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N2 - Retrogasserian trigeminal rhizotomy was used to study the central projections and patterns of degeneration in the spinal trigeminal nucleus (STN). At survival times of 3-20 days, reduced silver stains show extensive degeneration throughout the ipsilateral STN and in addition, well delineated degeneration was identified in the periobex region of the contralateral STN that varied with survival time. The results suggest that primary afferents may contribute to this contralateral projection.

AB - Retrogasserian trigeminal rhizotomy was used to study the central projections and patterns of degeneration in the spinal trigeminal nucleus (STN). At survival times of 3-20 days, reduced silver stains show extensive degeneration throughout the ipsilateral STN and in addition, well delineated degeneration was identified in the periobex region of the contralateral STN that varied with survival time. The results suggest that primary afferents may contribute to this contralateral projection.

KW - Contralateral

KW - Deafferentation

KW - Degeneration

KW - Primary afferent

KW - Rhizotomy

KW - Trigeminal nucleus

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