PMID: 6164437Apr 6, 1981Paper

An HRP study of the central projections of primary trigeminal neurons which innervate tooth pulps in the cat

Brain Research
J Arvidsson, S Gobel

Abstract

Trigeminal ganglia and brain stem of adult cats were studied following HRP injections into tooth pulps or after exposure of the cut end of the inferior alveolar nerve to HRP. Ipsilateral ganglion cells within a wide range of sizes were labeled in both experimental situations, whereas no labeled cells were observed in the contralateral ganglion in any animal. Labeled central branches of tooth pulp and inferior alveolar neurons were observed in all subdivisions of the ipsilateral trigeminal sensory complex. Terminal labeling in the tooth pulp experiments was confined to the dorsomedial parts of the main sensory nucleus and subnuclei oralis and interpolaris. Caudal to the obex terminal labeling was restricted to the medial halves of laminae I, IIa and V of the medullary dorsal horn. In the inferior alveolar nerve experiments dense terminal labeling was observed in the dorsal parts of the main sensory nucleus and subnuclei oralis and interpolaris. Caudal to the obex terminal labeling was located throughout laminae I to V in contrast to the tooth pulp experiments. Neither of the two experimental situations offers any evidence for a bilateral or contralateral brain stem projection of primary trigeminal neurons.

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Citations

Oct 1, 1987·Journal of Neurocytology·M A HenryR C Canfield
Oct 21, 1985·Brain Research·L R JohnsonR C Canfield
Oct 1, 1985·Brain Research·P MasonR Maciewicz
Aug 1, 1985·Brain Research·D Albe-FessardW D Willis
Feb 1, 1995·Progress in Neurobiology·C HildebrandC S Johansson
Jul 19, 1988·Neuroscience Letters·L A Segade, D Suarez-Quintanilla
Jan 20, 2012·Journal of Dental Research·D K AhnW Maixner
Jul 5, 2006·Archives of Histology and Cytology·Motohide TakemuraNorifumi Yonehara
Jan 1, 1993·Somatosensory & Motor Research·M TakemuraS Matano

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